Scientific Method Review 2025

Any part of the experiment that is intentionally kept the same is know as what?

• Constants
• Independent variable

• Dependent variable

• Conclusion

The part of the experiment that responDs and can be measured is known as what?

• control
• constant
• independent variable
• dependent variable

What is the factor that an experimenter changes on purpose?

• Dependent Variable
• Independent Variable
• Constant
• Control

Tags

NGSS.MS-PS2-2

What is the effect of salt water on the the height of blades of grass?

What is the independent variable this experiment?

• how much salt is added to the water

• the height the grass grows

• whether plant is watered or not

• the grass

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Students used various temperatures of water to see which one dissolved candy faster. 
What was the Independent Variable?

• Different types of Candy

• Different amounts of Water

• Different temperature of Water

• Time for Candy to Dissolve

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If plants receive more water, the number of leaves will increase. 
This is an example of which part of an experiment?

• Testable Question
• Hypothesis
• Variables
• None of the above

Tags

NGSS.MS-LS1-5

Does the size of deer effect the size of its heart?
What is the Independent Variable?

• Size of Deer
• Gender of Deer
• Size of its heart
• Age of deer, gender, and height

If I water the plant more often, then it will grow taller.  What is the dependent variable?

• The amount of water.
• The amount of soil.
• The height of the plant.
• The amount of water.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Of the two groups in an experiment, this one undergoes all the steps of the experiment except the one being tested to allow for a comparison

• Control group

• Experimental group

• Popular group

• Common group

What part of the experiment does this describe:

The same type of bean plant, the same amount of water, and the same soil were used.

• Constant

• Control group

• Levels of IV

• Hypothesis