CER, Variables, and Graphing Review

What is the control for the experiment? 

• the thing being tested
• the normal situation
• what we measure in the end
• what we change 

What is the independent variable in an experiment?

• the thing we change or test
• the normal situation
• what we measure in the end
• the thing we keep the same

What is the dependent variable in an experiment? 

• the thing we change or test
• the thing we keep the same
• the thing we measure in the end
• the normal situation

What is a constant? 

• the normal situation
• the thing we measure in the end
• the thing we are testing
• the thing we keep the same for every part of the experiment

A boy waters one plant with fresh water and one with salt water and measures growth.  What is the control? 

• plant with salt water
• plant with fresh water
• growth of salt water plant
• growth of fresh water plant

A boy waters one plant with fresh water and one with salt water and measures growth. What is the dependent variable? 

• salt water
• fresh water
• growth of plants

Tags

NGSS.MS-LS1-5

A boy waters one plant with fresh water and one with salt water and measures growth. What would be some constants? 

• use same type of plant
• use same type of soil
• put both plants in same spot
• all of the above

Tags

NGSS.MS-LS1-5

Which of the following is a quantitative observation?

• The bird is very colorful.
• The bird has 4 different colors on him.
• The bird has many, many feathers.
• It is a bird. 

What is the Responding (Dependent) Variable in this graph?

• Plant Growth
• Growth (cm)
• Hours
• 15

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

NGSS.MS-LS2-1