Scientific Method Test Review

This variable in an experiment is the one being changed by the scientist.

• dependent variable

• data

• independent variable

• control group

Tags

NGSS.MS-PS2-2

What step does every scientific experiment begin with?

• hypothesis

• question/problem

• procedure

• data

A student wants to test the effects of exercise on heart rate. What is the dependent variable?

• heart rate

• amount of exercise

• type of exercise

• time of day exercise occurs

Tags

NGSS.MS-ETS1-2

To make observations, you use your _____.

• feet

• senses

• smile

• experience

Tags

NGSS.MS-LS1-8

What type of observations involves numbers and a label?

• Qualitative

• Quantitative

• Measurements

Descriptive data based on the sense is called ....

• Quantitative data

• Qualitative data

• Experiences

• Opinions

Tags

NGSS.MS-LS1-8

The group in the experiment that receives the variable being tested

• control group

• independent group

• experimental group

• changing group

The variable that changes because of the independent variable.

• qualitative data

• quantitative data

• dependent variable

• control

Tags

NGSS.MS-PS2-2

A scientist investigates the effect of carbon dioxide on plant height. The scientist grows plants in several closed containers. All the plants receive the same amounts of water and light, but the air in each container has a different amount of carbon dioxide. What is the independent variable in this experiment?

• the height of each plant after a period of time

• the number of plants in each container

• the amount of carbon dioxide in each container

• the amount of water provided to the plants

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

If you increase the amount of spinach you eat, then you will increase the iron in your blood. What is the dependent variable?

• amount of iron in your blood

• amount of spinach you eat

• you are