Part 1: Scientific Method

The variable that causes a change is the

• constant
• independent variable
• dependent variable
• control

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

The variable that is the result of the experiment is the 

• constant
• independent variable
• dependent variable
• control

Tags

NGSS.MS-PS3-4

A variable that never changes is known as a 

• constant
• independent variable
• dependent variable
• control

What is the independent variable for the hypothesis: If ice melts in salt & fresh water, then it will melt faster in salt water.

• The amount of water
• The melt time
• The size of the ice cube
• The amount of salt

What is the dependent variable for the hypothesis: If ice melts in salt & fresh water, then it will melt faster in salt water.

• The melt time
• The amount of salt
• The fresh water
• The size of the beaker

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

You are doing an experiment recording the growth of plants under different amounts of sunlight. What is the dependent variable?

• The sunlight
• The growth
• The experiment
• The amounts of photons

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

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

Tags

NGSS.MS-LS1-5

All living things are composed of cells. 

• True
• False

The release or use of chemical energy involves:

• condensation
• metabolism
• photosynthesis
• cooperation

During ___________ conditions inside our body are kept stable (the same)

• homeopathic
• Homo sapian
• homeostasis
• homologous