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Variable

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

The independent variable is the ONE thing you _____.

a)

change

b)

keep the same

c)

experiment with

d)

investigate

2.

In a controlled experiment, the variable that is changed to test the hypothesis is called the –

a)

Controlled Variable

b)

Responsive Variable

c)

Dependent Variable

d)

Independent Variable

3.

The measurable factor in an experiment is known as the: 

a)

Control

b)

Independent Variable

c)

Constant

d)

Dependent Variable

4.

What is the DEPENDENT variable (effect) is this experiment?
"Does eating breakfast improve test score?" 

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

5.

What is the DEPENDENT variable (effect) in this experiment?
"Do tall people jump further than short people?"

a)

height of the person

b)

weight of the person

c)

how fast the person runs

d)

how far the person jumps

6.

What is the INDEPENDENT variable (cause) in this experiment?
"Will fish school more if a predator is present?" 

a)

whether there is a predator or not

b)

number of fish school together

c)

type of predator

d)

type of fish

7.

Which variable is NOT a constant in this experiment?
"What type of medium do earthworms prefer?"

a)

type of medium

b)

amount of medium

c)

direction of the earthworm

d)

types of earthworm

8.

Which variable is NOT a constant in this experiment?
"Is Bounty paper towel more absorbent than sparkle paper towel?

a)

the size of paper towel

b)

the amount of water for the paper towel to absorb

c)

amount of water the paper towel absorbed

d)

the shape of paper towel

9.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

10.

This variable is the one thing that changed on purpose...

a)

Dependent Variable

b)

Control

c)

Independent Variable

11.

What is the DEPENDENT variable (effect) in this experiment?"Does eating breakfast improve test scores?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

12.

In an experiment, the variable that is measured and affected during the experiment is known as the:

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

d)

Constant

13.

Which of the following is an example of a controlled variable in an experiment?

a)

The temperature at which a reaction is conducted

b)

The amount of light a plant receives

c)

The growth rate of a plant

d)

The type of soil used

14.

In a scientific experiment, what is the purpose of a control variable?

a)

To test the hypothesis

b)

To ensure that the experiment is fair and results are reliable

c)

To measure the effect of the independent variable

d)

To act as the dependent variable

15.

Which variable is deliberately changed to observe its effect on the dependent variable?

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

d)

Constant