Measuring & Scientific Method Test Review

Match the numbers to the correct number of significant figures they contain.

• 318.09

• 6
• 1002.05

• 3
• 5.00

• 4
• 3200

• 5

• 0.002040

• 2

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

Solve and give your answer with the correct number of significant figures
24.28 + 12.5

• 3.687 x 10¹
• 36.8
• 37
• 3.70x10¹

Solve and give your answer with the correct number of significant figures
(12.470)(271)

• 3366.9
• 3380

• 3400
• 3370

Click on all the zeroes that ARE significant

A(n)​ (a)   is something that you use your senses to detect. A(n)​ (b)   is one possible explanation for something you have detected. A(n)​ (c)   is your guess as to what will happen in an experiment.

• observation
• inference
• hypothesis
• theory
• scientific law
• research

The (a)   is the one that changes in an experiment. The ​ (b)   is the outcome or what you are measuring in the experiment. The ​ (c)   are what stay the same during an experiment. The ​ (d)   is the subjects that are given the variable that is changing, and the ​ (e)   is the subjects that are NOT given the variable that is changing.

• independent variable
• dependent variable
• constant variables
• experimental group
• control group

Match the measurement to the correct base unit

• K

• Distance

• m

• Volume

• Kg

• Time

• L

• Temperature

• s

• Mass

Match the measurement to the piece of equipment used to measure it.

• time

• Thermometer

• distance

• Meter stick

• mass

• Timer

• volume

• Graduated cylinder

• temperature

• Balance