Scientific Method and Biochemistry

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

The variable that you measure is the -

• Independent Variable

• Dependent Variable

• Controlled Variable

• Repeated Trial

The variables in an experiment that stay the same are the -

• Independent Variable

• Dependent Variable

• Controlled Variable

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes
• It is what has always been done
• No one really knows

Tags

NGSS.MS-ETS1-4

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

How many cm is the red line?

• 2.5 cm

• 2.3 cm

• 23 cm

• 24 cm

What is the volume of the irregular shaped object?

• 50 mL

• 90 mL

• 140 mL

• 40 mL

Robert wanted to know if the type of phone you used gave you better or worse service. What is the dependent variable?

• Location of phone call

• Type of phone

• How good or bad the service was

• Type of data provider

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Tags

CCSS.RI.9-10.5

CCSS.RI.11-12.5

CCSS.RI.11-12.3

CCSS.RI.9-10.3

CCSS.RI.8.5