Parts of an Experiment

Johnny wants to know how different types of colored light affect plant growth? What is the IV?

• types of colored lights

• plant growth on colored lights

• plant growth

Tags

NGSS.MS-LS1-5

Johnny wants to know how different types of colored light affect plant growth? What is the DV?

• types of colored lights

• colored lights on plant growth

• plant growth

Tags

NGSS.MS-LS1-5

An experiment is conducted to test how different cleats change an athletes running speed.  Six different types of cleats are tested and the 100m run time is recorded.  What is the independent variable?

• The type of cleat
• The run time
• The 100 meters
• The athlete

How many variables can be tested in a controlled experiment?

• one
• two
• three
• as many as possible

A test is set up to test which brand of soda creates the biggest foam explosion when adding a Mentos candy.  Three different sodas were tested. They measured the height of the foam eruption.   What is the dependent variable?

• Brand of soda
• Number of mentos candies used
• Height of foam eruption
• Temperature of soda

Tags

NGSS.MS-PS1-2

This variable is the actual data collected during the experiment. 

• independent variable
• dependent variable
• control group
• data group

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

• dependent variable
• independent variable
• data
• control group

Things that stay the same throughout the whole experiment are called

• controls
• dependent variables
• independent variables
• constants

An experiment is conducted to test which kind of cat food a cat likes best.  The amount of food the cat eats is recorded and four different type of food are tested. What is the dependent variable?

• The cat food
• The cat
• The amount of food the cat eats.
• The bowl the cat ate out of.

The one factor that a scientist changes during an experiment.

• Controlled Variable

• Dependent Variable

• Independent Variable