Unit 0: Scientific Processes

A testable prediction about a scientific investigation is a(n)

• Question
• Observation
• Hypothesis
• Experiment

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

The information you collect while doing your experiment is called

• conclusions

• data

• hypotheses

• procedures

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

• independent variable

• dependent variable

• control variable

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• True
• How fast you get to school
• Riding a bike or walking
• False

The independent variable is

• The variable that you change in an investigation

• The variable that you measure in an investigation

• A variable that you keep the same in an investigation

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

• Dropping the same way

• Wing Length

• Amount of time it takes the helicopter to hit the floor

• Dropping from the same height

What units are used to measure mass?

• g

• m

• L

• ˚C

• g/mL

What is the mass on this triple beam?

• 506g

• 576g

• 570g

What is the volume of the liquid in this graduated cylinder?

• 8.5 mL 
• 7.5 mL 
• 8 mL 
• .1 mL