Scientific Inquiry

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

The variable that causes a change is the

• constant
• independent variable
• dependent variable
• control

Tags

NGSS.MS-PS3-4

NGSS.MS-PS2-2

A variable that never changes is known as a 

• constant
• independent variable
• dependent variable
• control

"Will ice melt faster in salt water?", is an example of a

• Hypothesis
• Question
• Dependent variable
• Control

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-5

"Ice will melt faster in salt water.", would make a good

• Hypothesis
• Question
• Analysis
• Conclusion

Tags

NGSS.MS-PS1-4

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

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

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

How many independent variables does an experiment have?

• 0

• 1

• between 1 and 5

• as many as needed

Tags

NGSS.MS-PS3-4

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, what is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?

• Procedure
• Hypothesis
• Question
• Results

Tags

NGSS.MS-LS1-5