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More Variable Practice

Total questions: 19

Worksheet time: 2hrs 35mins

Name
Class
Date
1.

Which variable changes as a response what Is being tested?

a)

independent

b)

Dependent

c)

Control

d)

Constant

2.

Baby mice are given different amounts of sugar to see if it affects their weight gain. What is the DEPENDENT VARIABLE?

a)

type of mice

b)

amounts of sugar

c)

weight gain

d)

type of sugar

3.

The janitor is testing to see which types of paper towels absorb the most water spills. He tests three different brands and records data on the amount of ounces of water each picks up. What is the dependent variable?

a)

Types of paper towels

b)

type of water

c)

amount of paper towels used

d)

amount of water collected

4.

An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee.


What is the dependent variable?

a)

Amount of coffee grounds

b)

Taste of coffee

c)

Type of coffee cup

d)

Amount of water

5.

An investigation found that more bushels of potatoes were produced when the soil was fertilized more.


What is the dependent variable?

a)

Amount of potatoes

b)

Amount of fertilizer

c)

Depth of potatoes

d)

Size of potatoes

6.

Lemon trees receiving the most water produced the most lemons.


What is the independent variable?

a)

Number of lemons

b)

Amount of water

c)

Type of tree

d)

Height of tree

7.
The part of the experiment that remains the same for the control and experimental group.
a)
constants
b)
control
c)
independent
d)
dependent
8.

This variable in an experiment is the one being changed on purpose by the scientist.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

9.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
type of sun flower
10.
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
11.
Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the dependent variable.
a)
Color or chair
b)
Grade on test
c)
Age of students
12.
Sarah wanted to find out if the size of a car tire made it a smoother ride over bumps. What is the independent variable?
a)
Size of tire
b)
How smooth the ride was over bumps
c)
Type of car
13.
Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
a)
Type of gasoline
b)
which car the gas is put into
c)
how fast the car can drive
d)
how much gas is put into the car
14.
Changes in the _________ variable causes changes in the _________ variable.
a)
independent; dependent
b)
dependent; independent
15.

A variable that is unchanged throughout the experiment is the:

a)

Controlled Variable

b)

Experimental Variable

c)

Independent Variable

d)

Dependent Variable

16.

Mosquito spray is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after two hours. What is the independent variable?

a)

Presence of mosquito spray or not

b)

Type of mosquito spray

c)

Amount of mosquito bites

d)

Time

17.

One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. What is the independent variable?

a)

Type of grape

b)

Type of cup

c)

Type of water

d)

Type of kitchen

18.

Potato bugs are placed in a container where they have a choice of wet or a dry environment. Researchers record how much time was spent on each side. What is the independent variable?

a)

Wet or dry environment

b)

Type of potato bugs

c)

How many potato bugs they started with

d)

How many potato bugs were still alive

19.

A mini van and a Tesla were traveling at 25 mph. At a certain point, both cars slam on their brakes. The distance it takes for each car to completely stop is measured. What is the dependent variable?

a)

Type of car

b)

Distance it takes each car to stop

c)

Person driving the car

d)

25 mph