Independent & Dependent Variables CW

Yaara wants to determine if amount of fertilizer impacts grass growth

What is the Independent Variable?

• amount of fertilizer

• type of fertilizer

• grass growth

• type of grass

Yaara wants to determine if amount of fertilizer impacts grass growth

What is the Dependent Variable?

• amount of fertilizer

• type of fertilizer

• grass growth

• type of grass

Randall wants to know if the amount of salt in the water has an effect on his goldfish. What is the independent variable?

• amount of water

• number of goldfish

• amount of salt

• health of the goldfish

Marilu wants to know the effect of the amount of pesticides on the size of apples

What is the independent variable?

• amount of pesticides

• size of apples

• amount of apples

• amount of pests

Marilu wants to know the effect of the amount of pesticides on the size of apples

What is the dependent variable?

• amount of pesticides

• size of apples

• amount of apples

• amount of pests

Mohammed wants to know if the deer population is influenced by the size of the wolf population.

What is the independent variable?

• number of deer

• number of wolves

• size of the deer

• size of the wolves

Mohammed wants to know if the deer population is influenced by the size of the wolf population.

What is the dependent variable?

• number of deer

• number of wolves

• size of the deer

• size of the wolves

Jose wants to know if the diet of a rat affects the body weight of the rat.

What is the independent variable?

• diet of a rat

• body weight

• weight of food

• number of rats

Jose wants to know if the diet of a rat affects the body weight of the rat.

What is the dependent variable?

• diet of a rat

• body weight

• weight of food

• number of rats

Nooria wants to know if the sunflowers grow taller if they are exposed to more sunlight. What is the independent variable?

• sunflower height

• amount of sunlight

• type of sunflower

• amount of water