Year 7 Variables

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

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 are the controlled variables?

• Type of plant, amount of music, and sunlight
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

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

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Tags

NGSS.MS-PS3-2

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the control variable?

• The ball used
• The height the ball bounces
• Height of the ball being dropped

Mr Coumbe wanted to test the effect of different surfaces on the height he raise a ramp before a block of wood starts to slide.

What is the independent variable?

• The type of surface

• The height of the ramp

• The mass of the block

• sliding friction

Mr Coumbe wanted to test the effect of different surfaces on the height he raise a ramp before a block of wood starts to slide.

What is the dependent variable?

• The type of surface

• The height of the ramp

• The mass of the block

• sliding friction

Mr Coumbe wanted to test the effect of different surfaces on the height he raise a ramp before a block of wood starts to slide.

What is the controlled variable?

• The type of surface

• The height of the ramp

• The mass of the block

• sliding friction

Mr Coumbe wanted to see the effect of putting paper clips on a paper helicopter on the time it takes to fall to the ground.

What is the independent variable?

• The amount of paper clips

• The time it takes to reach the ground

• The size of paper helicopter

• The amount of wind

Mr Coumbe wanted to see the effect of putting paper clips on a paper helicopter on the time it takes to fall to the ground.

What is the dependent variable?

• The amount of paper clips

• The time it takes to reach the ground

• The size of paper helicopter

• The amount of wind