Unit 1 Test Review- The Practice of Science

Brain Dump! In 2 minutes, write everything you can remember about what we learned in this unit! Remember our topics were Replication vs repetition, types of investigations, & Types of variables.

The independent variable is also known as the _______ variable.

• super

• outcome

• dependent

• test

The dependent variable is also known as the _______ variable.

• test

• outcome

• independent

• varied

Which variable do we change in an experiment in order to test it?

• outcome variable

• independent variable

• dependent variable

• we don't change any variables

Which variable do we measure as the result of an experiment?

• varied

• dependent

• independent

• outlier

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

• increase the amount of iron in your blood
• spinach you eat

Tags

NGSS.MS-LS1-3

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

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Josie was performing an experiment where she grew the same kind of tomatoes in the same soil and amount of water.  She sat one in the sun and one in a closet for 14 days.  What is the independent variable in Josie's experiment?

• tomatoes
• soil
• sunlight
• water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the independent variable is...

• the temperature of the water
• the water
• the amount of salt in the water
• the number of plants in the water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4