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Variables, Observations and Graphs

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What type of graph is this?

a)

Line Graph

b)

Bar Graph

c)

Pie Chart

2.

What type of graph is this?

a)

Line Graph

b)

Bar Graph

c)

Pie Chart

3.

Which type of variable is what you change or manipulate. It's the cause.

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

4.

Which type of variable is the data you measured during an experiment. It's the effect.

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

5.

What type of graph is this?

a)

Line Graph

b)

Bar Graph

c)

Pie Chart

6.

In an experiment you CHANGE or MANIPULATE this type of variable.

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

7.

In an experiment this the DATA you MEASURED.

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variabe

8.

 

Katiana wanted to figure out what type of liquid worked best for growing beans.  She used the same amount of soil and the same type of beans in each pot. She “watered” each one with 50 mL of liquid. One plant added cola, one added lemonade, and one with just water.  After one week, she measured how high they had grown.

WHAT IS THE INDEPENDENT VARIABLE?

a)

The liquid used - cola, water & lemonade

b)

How high they had grown in a week.

c)

The same soil and same type of beans.

9.

What type of graph should be used to show - Percent of the whole?

a)

Line Graph

b)

Bar Graph

c)

Pie Chart

10.

Coach Mickey wanted to see if listening to music would affect the number of free throws the Fremont Junior High basketball team could make in 10 minutes. On day one, she didn’t play any music and counted how many baskets they made. On day 2, she played rap music and counted the baskets, and on day 3, she played classical music and counted the baskets.

What is the DEPENDENT VARIABLE??

a)

The number of baskets made in 10 minutes.

b)

Music or no music being played.

c)

The Fremont Basketball team

11.

What type of observation is this?

The kid is wearing blue and red.

a)

Qualitative Observation

b)

Quantitative Observation

12.

What type of observation is this?

There are 7 kids playing basketball.

a)

Qualitative Observation

b)

Quantitative Observation.

13.

Read the statement and decide if it's an observation or inference:

The man is wearing a striped tie.

a)

Observation

b)

Inference

14.

Read the statement and decide if it's an observation or inference:

The dog is smarter than the human.

a)

Observation

b)

Inference

15.

Explaining or interpreting the observations is called _____?

a)

observation

b)

inference

c)

question

16.

Which of the following is an example of a qualitative observation?

a)

The cat weighs 34 kg

b)

The clouds look grey and dark

c)

The girl can run 15 mph

d)

There are 50 states in the USA

17.

It's December.

a)

Observation

b)

Inference

18.

How many more candy bars did seventh grade sell than fifth grade?

a)

4

b)

2

c)

47

d)

1

19.
Did the temperature increase or decrease between day 1 and day 2?
a)
increase
b)
decrease
20.

Do more people enjoy Ham and pineapple or Pepperoni and Pepper?

a)

Pepperoni and Pepper

b)

Ham and Pineapple