the chemistry of fun chemistry principles at the great escape

The Chemistry of Fun

Chemistry Principles at The Great Escape

Directions• Answer all questions

on the separate answer sheet titled “Great Escape: Chemistry”.

• Make sure your answers are complete. Show work when appropriate. Put labels/units on all numbers.

1.• A) What is the

difference between an observation and an inference?

• B) Name 2 observations about the picture to the right:

• C) Name two inferences about the picture to the right:

2. • A) Name the following phase changes:

– 1. Solid to gas– 2. Gas to liquid– 3. Liquid to gas

• B) Explain why the water in the water slide evaporates faster on hot days?

3. A student wondered

how the amount of people in the seats affected the speed of the Comet rollercoaster. She did an experiment to see if the Comet went fastest with a coaster that was empty, half full or all the way full.

3.• A) What is her independent variable?• B) What is her dependent variable?• C) What could her hypothesis be?• D) List the steps of her experiment.

Include what observations she should make and data she should collect.

• E) What are 3 factors that should be held constant? Explain why each should be constant.

4.-6.

• Base questions

4 – 6 on this picture, which shows kids walking on floating barrels in a pool.

4.• A) What is the density of pure water?

• B) The water in the “Bucket Brigade” at The Great Escape is not pure water. It has been treated with chemicals like chlorine to kill germs. Explain how someone could easily find the density of the water in the Bucket Brigade pool.

• C) Since the barrels are floating in the water, what must be true of the density of the barrels?

D) If ¾ (.75) of a particular barrel is below the surface of the water, what is its density? Explain your answer.

5.• The pools at the Great Escape

Splashwater Kingdom are treated with chlorine. Draw one atom of chlorine. Include the correct numbers of protons, neutrons and electrons.

6.• A) The chlorine that is used in

Splashwater Kingdom comes in a powder that gets dissolved in the water. Is chlorine soluble in water? Explain your answer.

• B) On Friday, the pool water was more concentrated with chlorine than on Wednesday. What are 2 ways that the water could have become more concentrated?

7.

A student bought a lemonade at The Great Escape. He put a piece of litmus paper in the lemonade and the paper turned pink. What does this tell you about the lemonade?

8. Discount Price

• An amusement park will reduce its admission price by 20% for students who make the honor roll. What will the discount price be for a $27.00 ticket?

9. LCM

• The Steamin’ Demon ride takes 6 minutes. The River Cruise Ride takes 16 minutes. If both rides start at 10:00 am, when is the next time the rides will both start at the same time?

10. Newton’s 2nd Law

• Acceleration can be expressed a=f/m (acceleration is equal to force divided by mass).

• A) Find the acceleration of an object if the force is 25 newtons and the mass is 2.5 kilograms.

• B) What happens to the acceleration if you double both the force and the mass?

11. The Rotor

• The rotor has a radius (r) of 12 feet. How many people can ride if each person standing around the circumference (C) of the ride must be given 3 feet of space?

• Use C=2r or C= d