Scientific Method and Measurement

REVIEW

The amount of space an The amount of space an object takes up is…object takes up is…a. Massa. Mass b. Volumeb. Volumec. Densityc. Density d. lengthd. length

• Answer: b

The basic unit of length is…a. Meterb. Gramc. g/mLd. mL

• Answer: a

Which is a unit for volume?A. Meter b. GramsC. Cm3 d. g/mL

• Answer: C

Mass is the amount of _____ in an object. A. Matter b. Spacec. Change d. volume

• Answer: a

The variable that you change in the experiment. Also called the manipulated variable. A. Controlled B. DependentC. Independent D. Responding

• Answer: C

The formula for finding the The formula for finding the volume of a regular solid volume of a regular solid object is…object is…a. M/Va. M/V b. L/Wb. L/Wc. M x Vc. M x V d. L x W x Hd. L x W x H

• Answer: d

A theory is…a. Logical explanation for events in natureb. Hypothesis which has survived many testsc. A conclusion to a problemd. The data obtained during an experiment• Answer: a

What is the closest measurement of this…

a. 9 mLb. 9.5 mLc. 9.7 mLd. 10 mL

• Answer: c

Which is the correct order for the scientific method?A. State the problem, conclusion, perform the experimentB. Perform the experiment, record and analyze data, form a hypothesisC. Research, write a hypothesis, perform the experiment

• Answer: C

Which instrument is used to obtain length?A. B.

C. D.

• Answer: B

Which is NOT true about the metric system?A. Most popularB. Used everywhere C. Easy to useD. based on powers of 10

• Answer: b

A gram is similar to a. quart b. paperclip c. point of a pencil d. 2 pounds

• Answer: b

Which example would represent “stating the problem” in the scientific method?A. Adding calcium to the soil of a plant will make grow taller.B. Will adding calcium to the soil of a plant make it grow taller?

• Answer: B

Which is freezing?A. 100 CB. 212 FC. 373KD. 0 C

• Answer: D

This is used for finding…

a. Volumeb. Lengthc. Densityd. area

• Answer: c

b

An idea, system, or math expression that is similar to the idea being explained (used when the real thing cannot be seen)a. graph b. modelc. density d. Units

aWhat is the volume of the rock in the picture?a.3 mL b.b. 11 mL c. 14 mL d. 25 mL

c

Which is the most important element to include in a conclusiona.restating the problemb. a list of materials used c.discussion of the hypothesis d. a list of procedures

1= identify a question or problem 2= Form a hypothesis3= Perform a controlled experiment 4=analyze

Put the following steps of the scientific method in order (1 = first, 4 = last)____ Perform a controlled experiment ____ Identify a question or problem____ Analyze results and draw conclusions____ Form a hypothesis