IV DV Practice

Find the DV:  You experiment to discover if your pulse rate is affected by caffeine

• Pulse rate

• Temperature of room

• Amount of caffeine

• Amount of exercise

Find the IV:  You experiment to discover if your pulse rate is affected by caffeine

• Pulse rate

• Temperature of room

• Amount of caffeine

• Amount of exercise

Find the DV:  You experiment to see if a bouncy ball or a tennis ball bounces higher.

• Type of ball

• Same drop height

• Height of bounce

• Same surface

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

Sam is going to water her plants more to see if they grow better. What is her dependent variable?

• If she waters the plants more, then they will grow faster.

• how much water she gives the plants

• how fast the plants grow

• the amount of sunlight, temperature, wind, and insects on the plants

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Sam is going to water her plants more to see if they grow better. What is her independent variable?

• If she waters the plants more, then they will grow faster.

• how much water she gives the plants

• how fast the plants grow

• the amount of sunlight, temperature, wind, and insects on the plants

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Max is rolling a car down a ramp. Max thinks that cars roll faster on steeper ramps. What is Max's independent variable?

• If the ramp is steeper, then the car will roll faster.

• the steepness of the ramp

• the speed of the car

• the same car, the same surface, the same wind, etc..

Tags

NGSS.MS-PS3-1

Max is rolling a car down a ramp. Max thinks that cars roll faster on steeper ramps. What is Max's dependent variable?

• If the ramp is steeper, then the car will roll faster.

• the steepness of the ramp

• the speed of the car

• the same car, the same surface, the same wind, etc..

Tags

NGSS.MS-PS3-1

Julia kicks a ball many times while kicking with different strengths to see how far Julia can kick the ball. What is Julia's independent variable?

• the same ball

• how hard Julia kicks

• how far the ball goes

• If Julia kicks harder, then the ball goes further.

Tags

NGSS.MS-PS2-2

Julia kicks a ball many times while kicking with different strengths to see how far Julia can kick the ball. What is Julia's dependent variable?

• the same ball

• how hard Julia kicks

• how far the ball goes

• If Julia kicks harder, then the ball goes further.