mystery detectives physical science **click enter or push arrow button to go to the next slide**...

Mystery DetectivesMystery DetectivesPhysical Science

**Click enter or push arrow button to go to the next slide**

Physical Science**Click enter or push arrow button to go to the next slide**

Question 1- Which question below will result in an experiment that can be tested reliably?

Question 1- Which question below will result in an experiment that can be tested reliably?

*A. How does changing the height of a ramp affect the distance that a toy car travels?*

*A. How does changing the height of a ramp affect the distance that a toy car travels?*

*B. What is the freezing point of salt water? **B. What is the freezing point of salt water? *

*C. What is the mass of a beaker filled with 500 mL of water? *

*D. How fast can a hummingbird flap its wings? *

Question 1- Which question below will result in an experiment that can be tested reliably?

Question 1- Which question below will result in an experiment that can be tested reliably?

*A. How does changing the height of a ramp affect the distance that a toy car travels?*

*A. How does changing the height of a ramp affect the distance that a toy car travels?*

*B. What is the freezing point of salt water? **B. What is the freezing point of salt water? *

*C. What is the mass of a beaker filled with 500 mL of water? *

*D. How fast can a hummingbird flap its wings? *

Question 2 – Water vapor changes into liquid water through the process of—

Question 2 – Water vapor changes into liquid water through the process of—

*A. evaporation **A. evaporation *

*B. condensation **B. condensation *

*C. precipitation *

*D. accumulation *

Question 2 – Water vapor changes into liquid water through the process of—

Question 2 – Water vapor changes into liquid water through the process of—

*A. evaporation **A. evaporation *

*B. condensation **B. condensation *

*C. precipitation *

*D. accumulation *

Question 3 – What part does the sun play in the water cycle?Question 3 – What part does the sun play in the water cycle?

*F. The sun causes ocean water to evaporate.**F. The sun causes ocean water to evaporate.*

*G. The sun causes ocean water to disappear.**G. The sun causes ocean water to disappear.*

*H. The sun causes ocean water to condense.*

*J. The sun causes ocean water to precipitate.*

Question 3 – What part does the sun play in the water cycle?Question 3 – What part does the sun play in the water cycle?

*F. The sun causes ocean water to evaporate.**F. The sun causes ocean water to evaporate.*

*G. The sun causes ocean water to disappear.**G. The sun causes ocean water to disappear.*

*H. The sun causes ocean water to condense.*

*J. The sun causes ocean water to precipitate.*

Question 4 – How can most matter be changed from one state to another?

Question 4 – How can most matter be changed from one state to another?

*D. By adding or removing heat**D. By adding or removing heat*

*B. By mixing it with other types of matter**B. By mixing it with other types of matter*

*A. By moving it to another container*

*C. By changing its mass*

Question 4 – How can most matter be changed from one state to another?

Question 4 – How can most matter be changed from one state to another?

*D. By adding or removing heat**D. By adding or removing heat*

*B. By mixing it with other types of matter**B. By mixing it with other types of matter*

*A. By moving it to another container*

*C. By changing its mass*

Question 5 – What type of energy does the sun provide?Question 5 – What type of energy does the sun provide?

*H. Solar**H. Solar*

*J. Sound**J. Sound*

*G. Lunar*

*F. Electrical*

Question 5 – What type of energy does the sun provide?Question 5 – What type of energy does the sun provide?

*H. Solar**H. Solar*

*J. Sound**J. Sound*

*G. Lunar*

*F. Electrical*

Question 6 – What causes droplets of water to form on the outside of a glass containing water and ice?

Question 6 – What causes droplets of water to form on the outside of a glass containing water and ice?

*C. Water vapor in the air condenses when it cools.**C. Water vapor in the air condenses when it cools.*

*D. Water runs over the edge of the glass as the ice melts.**D. Water runs over the edge of the glass as the ice melts.*

*B. Water vapor in the glass evaporates as it cools.*

*A. The water seeps through the glass.*

Question 6 – What causes droplets of water to form on the outside of a glass containing water and ice?

Question 6 – What causes droplets of water to form on the outside of a glass containing water and ice?

*C. Water vapor in the air condenses when it cools.**C. Water vapor in the air condenses when it cools.*

*D. Water runs over the edge of the glass as the ice melts.**D. Water runs over the edge of the glass as the ice melts.*

*B. Water vapor in the glass evaporates as it cools.*

*A. The water seeps through the glass.*

Question 7 – Friction is produced by—Question 7 – Friction is produced by—

*G. lifting up a light object**G. lifting up a light object*

*F. pouring a thin liquid**F. pouring a thin liquid*

*H. weighing a heavy object*

*J. two surfaces rubbing together*

Question 7 – Friction is produced by—Question 7 – Friction is produced by—

*G. lifting up a light object**G. lifting up a light object*

*F. pouring a thin liquid**F. pouring a thin liquid*

*H. weighing a heavy object*

*J. two surfaces rubbing together*

Question 8 – Which of the following forces pulls a person jumping rope back to the Earth’s surface?

Question 8 – Which of the following forces pulls a person jumping rope back to the Earth’s surface?

*F. Pressure**F. Pressure*

*J. Gravity**J. Gravity*

*G. Inertia*

*H. Friction*

Question 8 – Which of the following forces pulls a person jumping rope back to the Earth’s surface?

Question 8 – Which of the following forces pulls a person jumping rope back to the Earth’s surface?

*F. Pressure**F. Pressure*

*J. Gravity**J. Gravity*

*G. Inertia*

*H. Friction*

Question 9 – The process where a solid changes to a liquid is called—

Question 9 – The process where a solid changes to a liquid is called—

*C. melting **C. melting *

*A. freezing **A. freezing *

*D. evaporating *

*B. condensing *

Question 9 – The process where a solid changes to a liquid is called—

Question 9 – The process where a solid changes to a liquid is called—

*C. melting **C. melting *

*A. freezing **A. freezing *

*D. evaporating *

*B. condensing *

Question 10 – A student threw a ball into the air. It followed a curved path and soon fell to the ground because—

Question 10 – A student threw a ball into the air. It followed a curved path and soon fell to the ground because—

*B. friction from the air slowed the ball down **B. friction from the air slowed the ball down *

*A. gravity changed the ball’s direction as friction from the air slowed it down *

*A. gravity changed the ball’s direction as friction from the air slowed it down *

*C. the ball was not thrown very hard*

*D. the ball was not thrown straight up into the air*

Question 10 – A student threw a ball into the air. It followed a curved path and soon fell to the ground because—

Question 10 – A student threw a ball into the air. It followed a curved path and soon fell to the ground because—

*B. friction from the air slowed the ball down **B. friction from the air slowed the ball down *

*A. gravity changed the ball’s direction as friction from the air slowed it down *

*A. gravity changed the ball’s direction as friction from the air slowed it down *

*C. the ball was not thrown very hard*

*D. the ball was not thrown straight up into the air*

Question 11 – What will happen to the amount of water in the beaker if the temperature of the water reaches 100°C?

Question 11 – What will happen to the amount of water in the beaker if the temperature of the water reaches 100°C?

*A. The amount of water in the beaker will decrease. **A. The amount of water in the beaker will decrease. *

*C. The amount of water in the beaker will stay the same. **C. The amount of water in the beaker will stay the same. *

*D. The amount of water in the beaker will not change. *

*B. The amount of water in the beaker will increase. *

Question 11 – What will happen to the amount of water in the beaker if the temperature of the water reaches 100°C?

Question 11 – What will happen to the amount of water in the beaker if the temperature of the water reaches 100°C?

*A. The amount of water in the beaker will decrease. **A. The amount of water in the beaker will decrease. *

*C. The amount of water in the beaker will stay the same. **C. The amount of water in the beaker will stay the same. *

*D. The amount of water in the beaker will not change. *

*B. The amount of water in the beaker will increase. *

Question 12 – Which of the following best explains what will happen if a teaspoon of salt and a teaspoon of sand is stirred into a beaker of hot water?

Question 12 – Which of the following best explains what will happen if a teaspoon of salt and a teaspoon of sand is stirred into a beaker of hot water?

*F. Some of the sand and the sugar will dissolve in the water.**F. Some of the sand and the sugar will dissolve in the water.*

*J. The salt will dissolve and the sand will sink to the bottom. *

*J. The salt will dissolve and the sand will sink to the bottom. *

*G. Both the sand and the sugar will completely dissolve in the water. *

*H. Neither the sugar nor the sand will dissolve in the water. *

Question 12 – Which of the following best explains what will happen if a teaspoon of salt and a teaspoon of sand is stirred into a beaker of hot water?

Question 12 – Which of the following best explains what will happen if a teaspoon of salt and a teaspoon of sand is stirred into a beaker of hot water?

*F. Some of the sand and the sugar will dissolve in the water.**F. Some of the sand and the sugar will dissolve in the water.*

*J. The salt will dissolve and the sand will sink to the bottom. *

*J. The salt will dissolve and the sand will sink to the bottom. *

*G. Both the sand and the sugar will completely dissolve in the water. *

*H. Neither the sugar nor the sand will dissolve in the water. *

Question 13 – A student has a mixture of sand and water in a jar. Which of the following tools would be used to separate the soil from the water?

Question 13 – A student has a mixture of sand and water in a jar. Which of the following tools would be used to separate the soil from the water?

*A. A filter or a sieve**A. A filter or a sieve*

*B. A measuring cup**B. A measuring cup*

*C. A triple beam balance *

*D. A hand lens *

Question 13 – A student has a mixture of sand and water in a jar. Which of the following tools would be used to separate the soil from the water?

Question 13 – A student has a mixture of sand and water in a jar. Which of the following tools would be used to separate the soil from the water?

*A. A filter or a sieve**A. A filter or a sieve*

*B. A measuring cup**B. A measuring cup*

*C. A triple beam balance *

*D. A hand lens *

Question 14 – Which of the following is caused by removing heat?

Question 14 – Which of the following is caused by removing heat?

*B. A liquid changes to a gas. **B. A liquid changes to a gas. *

*A. A solid changes to a gas. **A. A solid changes to a gas. *

*D. A solid changes to a liquid. *

*C. A liquid changes to a solid. *

Question 14 – Which of the following is caused by removing heat?

Question 14 – Which of the following is caused by removing heat?

*B. A liquid changes to a gas. **B. A liquid changes to a gas. *

*A. A solid changes to a gas. **A. A solid changes to a gas. *

*D. A solid changes to a liquid. *

*C. A liquid changes to a solid. *

Question 15 – A student hears the sound of a bell that means to change classes. Which of the following carries the sound of the bell to the student?

Question 15 – A student hears the sound of a bell that means to change classes. Which of the following carries the sound of the bell to the student?

*F. Electrical currents **F. Electrical currents *

*G. Vibrating air **G. Vibrating air *

*J. Magnetic signals *

*H. Radio waves *

Question 15 – A student hears the sound of a bell that means to change classes. Which of the following carries the sound of the bell to the student?

Question 15 – A student hears the sound of a bell that means to change classes. Which of the following carries the sound of the bell to the student?

*F. Electrical currents **F. Electrical currents *

*G. Vibrating air **G. Vibrating air *

*J. Magnetic signals *

*H. Radio waves *

Question 16 – Which object below will complete the circuit when placed where the X is?

Question 16 – Which object below will complete the circuit when placed where the X is?

*B. A plastic bottle **B. A plastic bottle *

*A. A metal paper clip **A. A metal paper clip *

*C. A rubber band *

*D. A wooden stick *

Question 16 – Which object below will complete the circuit when placed where the X is?

Question 16 – Which object below will complete the circuit when placed where the X is?

*B. A plastic bottle **B. A plastic bottle *

*A. A metal paper clip **A. A metal paper clip *

*C. A rubber band *

*D. A wooden stick *

Question 17 – All of the following are good insulators EXCEPT—

Question 17 – All of the following are good insulators EXCEPT—

*G. a paper clip **G. a paper clip *

*F. a rubber eraser **F. a rubber eraser *

*H. a piece of paper *

*J. a plastic comb *

Question 17 – All of the following are good insulators EXCEPT—

Question 17 – All of the following are good insulators EXCEPT—

*G. a paper clip **G. a paper clip *

*F. a rubber eraser **F. a rubber eraser *

*H. a piece of paper *

*J. a plastic comb *

Question 18 – Which of the following would BEST reflect light?

Question 18 – Which of the following would BEST reflect light?

*J. Craft paper **J. Craft paper *

*G. Aluminum foil **G. Aluminum foil *

*F. Waxed paper *

*H. Plastic wrap *

Question 18 – Which of the following would BEST reflect light?

Question 18 – Which of the following would BEST reflect light?

*J. Craft paper **J. Craft paper *

*G. Aluminum foil **G. Aluminum foil *

*F. Waxed paper *

*H. Plastic wrap *

Question 19 – In which of the following examples is water vapor condensing?

Question 19 – In which of the following examples is water vapor condensing?

*J. Water drops forming on a leaf on a cool night **J. Water drops forming on a leaf on a cool night *

*F. Water leaking from a faucet **F. Water leaking from a faucet *

*G. Water in a freezer changing to ice *

*H. A puddle of water evaporating on a very hot day *

Question 19 – In which of the following examples is water vapor condensing?

Question 19 – In which of the following examples is water vapor condensing?

*J. Water drops forming on a leaf on a cool night **J. Water drops forming on a leaf on a cool night *

*F. Water leaking from a faucet **F. Water leaking from a faucet *

*G. Water in a freezer changing to ice *

*H. A puddle of water evaporating on a very hot day *

Question 20 – The force of gravity between two objects is greater when—

Question 20 – The force of gravity between two objects is greater when—

*F. the distance between the two objects is greater **F. the distance between the two objects is greater *

*G. the distance between the two objects is less **G. the distance between the two objects is less *

*J. the masses of the two objects are equal *

*H. the friction between the two objects is greater *

Question 20 – The force of gravity between two objects is greater when—

Question 20 – The force of gravity between two objects is greater when—

*F. the distance between the two objects is greater **F. the distance between the two objects is greater *

*G. the distance between the two objects is less **G. the distance between the two objects is less *

*J. the masses of the two objects are equal *

*H. the friction between the two objects is greater *

Question 21– Ice changes to a liquid because it has reached its—Question 21– Ice changes to a liquid because it has reached its—

*B. melting point **B. melting point *

*A. boiling point **A. boiling point *

*D. condensation point*

*C. freezing point*

Question 21– Ice changes to a liquid because it has reached its—Question 21– Ice changes to a liquid because it has reached its—

*B. melting point **B. melting point *

*A. boiling point **A. boiling point *

*D. condensation point*

*C. freezing point*

Question 22 – When 5 g of sugar is mixed with 250 g of warm water, what will probably happen to the sugar?

Question 22 – When 5 g of sugar is mixed with 250 g of warm water, what will probably happen to the sugar?

*D. The sugar will dissolve into the water. **D. The sugar will dissolve into the water. *

*A. The sugar will sink to the bottom of the glass. **A. The sugar will sink to the bottom of the glass. *

*C. The sugar and the water will separate into layers. *

*B. The sugar will float on top of the water. *

Question 22 – When 5 g of sugar is mixed with 250 g of warm water, what will probably happen to the sugar?

Question 22 – When 5 g of sugar is mixed with 250 g of warm water, what will probably happen to the sugar?

*D. The sugar will dissolve into the water. **D. The sugar will dissolve into the water. *

*A. The sugar will sink to the bottom of the glass. **A. The sugar will sink to the bottom of the glass. *

*C. The sugar and the water will separate into layers. *

*B. The sugar will float on top of the water. *

Question 23 – Steel cans are separated from aluminum cans at a recycling center. Which of the following is the BEST way to separate the steel from the aluminum?

Question 23 – Steel cans are separated from aluminum cans at a recycling center. Which of the following is the BEST way to separate the steel from the aluminum?

*G. Use an electromagnet to remove the steel cans. **G. Use an electromagnet to remove the steel cans. *

*H. Put all the cans in water. **H. Put all the cans in water. *

*J. Melt the cans and pour off the steel. *

*F. Sort the cans by size. *

Question 23 – Steel cans are separated from aluminum cans at a recycling center. Which of the following is the BEST way to separate the steel from the aluminum?

Question 23 – Steel cans are separated from aluminum cans at a recycling center. Which of the following is the BEST way to separate the steel from the aluminum?

*G. Use an electromagnet to remove the steel cans. **G. Use an electromagnet to remove the steel cans. *

*H. Put all the cans in water. **H. Put all the cans in water. *

*J. Melt the cans and pour off the steel. *

*F. Sort the cans by size. *

Question 24 – When water is frozen, it becomes a solid called ice. When water is boiled it becomes a gas called—

Question 24 – When water is frozen, it becomes a solid called ice. When water is boiled it becomes a gas called—

*A. water drops **A. water drops *

*C. water vapor **C. water vapor *

*B. a liquid *

*D. a gassy state *

Question 24 – When water is frozen, it becomes a solid called ice. When water is boiled it becomes a gas called—

Question 24 – When water is frozen, it becomes a solid called ice. When water is boiled it becomes a gas called—

*A. water drops **A. water drops *

*C. water vapor **C. water vapor *

*B. a liquid *

*D. a gassy state *

Question 25 – The two students pictured below can hear each other because the string—

Question 25 – The two students pictured below can hear each other because the string—

*H. vibrates**H. vibrates*

*F. stretches**F. stretches*

*J. is long*

*G. is strong*

Question 25 – The two students pictured below can hear each other because the string—

Question 25 – The two students pictured below can hear each other because the string—

*H. vibrates**H. vibrates*

*F. stretches**F. stretches*

*J. is long*

*G. is strong*

Question 26 – The circuit pictured below is not complete. In order for the bulb to light, a wire must be connected from —

Question 26 – The circuit pictured below is not complete. In order for the bulb to light, a wire must be connected from —

*G. Point A to Point C**G. Point A to Point C*

*F. Point D to Point A**F. Point D to Point A*

*J. Point C to Point D *

*H. Point B to Point C*

Question 26 – The circuit pictured below is not complete. In order for the bulb to light, a wire must be connected from —

Question 26 – The circuit pictured below is not complete. In order for the bulb to light, a wire must be connected from —

*G. Point A to Point C**G. Point A to Point C*

*F. Point D to Point A**F. Point D to Point A*

*J. Point C to Point D *

*H. Point B to Point C*

Question 27 – The flower’s stem appears larger underwater because the water—

Question 27 – The flower’s stem appears larger underwater because the water—

*C. refracts light **C. refracts light *

*A. transmits light **A. transmits light *

*B. absorbs light *

*D. reflects light *

Question 27 – The flower’s stem appears larger underwater because the water—

Question 27 – The flower’s stem appears larger underwater because the water—

*C. refracts light **C. refracts light *

*A. transmits light **A. transmits light *

*B. absorbs light *

*D. reflects light *

Question 28 – Which tool listed below could be used to measure exactly 40 mL of water?

Question 28 – Which tool listed below could be used to measure exactly 40 mL of water?

*J. A beaker **J. A beaker *

*F. A triple beam balance **F. A triple beam balance *

*G. A metric ruler *

*H. A thermometer *

Question 28 – Which tool listed below could be used to measure exactly 40 mL of water?

Question 28 – Which tool listed below could be used to measure exactly 40 mL of water?

*J. A beaker **J. A beaker *

*F. A triple beam balance **F. A triple beam balance *

*G. A metric ruler *

*H. A thermometer *

Question 29 – Water droplets forming on the outside of a cold glass is an example of —

Question 29 – Water droplets forming on the outside of a cold glass is an example of —

*F. evaporation**F. evaporation*

*H. condensation**H. condensation*

*G. precipitation*

*J. perspiration*

Question 29 – Water droplets forming on the outside of a cold glass is an example of —

Question 29 – Water droplets forming on the outside of a cold glass is an example of —

*F. evaporation**F. evaporation*

*H. condensation**H. condensation*

*G. precipitation*

*J. perspiration*

Question 30 - Which of these would best model how the sun’s energy warms the Earth?

Question 30 - Which of these would best model how the sun’s energy warms the Earth?

*A. a heat lamp keeping food warm**A. a heat lamp keeping food warm*

*B. a pot of water boiling on the stove**B. a pot of water boiling on the stove*

*C. an oven baking bread*

*D. a spoon getting hot when stirring soup*

Question 30 - Which of these would best model how the sun’s energy warms the Earth?

Question 30 - Which of these would best model how the sun’s energy warms the Earth?

*A. a heat lamp keeping food warm**A. a heat lamp keeping food warm*

*B. a pot of water boiling on the stove**B. a pot of water boiling on the stove*

*C. an oven baking bread*

*D. a spoon getting hot when stirring soup*