wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Yaer 8 Homework Task 2 - Skills

Total questions: 20

Worksheet time: 23mins

Name
Class
Date
1.

Adam is conducting a science experiment on the effect of different environments on plant growth. He put one plant in a closet and the other plant in a window at his house. He measured the growth of each plant weekly for six weeks. He then created a graph after he reviewed his data. What is the dependent variable in Adam's experiment?

a)

Total Growth of Plant.

b)

Plant Environment

c)

The Effect of Different Environments

d)

Measurement Over Six Weeks

2.

What axis of a graph is the independent variable used on?

a)

Vertical Axis

b)

quadrant 1

c)

quadrant 2

d)

Horizontal Axis

3.
A scientific method should always be written in:
a)
bold
b)
numbered steps
c)
alphabetical order
d)
first person
4.

Which recorded measurement is correct?

a)

39mL

b)

40mL

c)

38mL

d)

34.0mL

5.
What is a hypothesis?
a)
An observation
b)
A bar graph
c)
Facts
d)
A prediction of what will happen 
6.
The _________ is a set of specific steps that help scientists solve problems. 
a)
Design Process
b)
Scientific Method
c)
Dictionary
d)
Bar graph
7.

The variable that changes as a result of the experiment and is located on the Y axis of a graph is the

a)

Dependent Variable

b)

Hypothesis

c)

Independent Variable

d)

Control

8.

What is the part of an experiment that receives no experimental treatment and is a basis for comparison?

a)

Dependent Variable

b)

Control

c)

Independent Variable

d)

Constant

9.
Mickey observed that his cat had more energy after eating a new type of cat food one night.  How can he verify that this new cat food really does improve his cat's energy?
a)
By collecting more data of the cat's energy with new and old food over several days
b)
By creating a hypothesis that the new food has more carbohydrates
c)
Collect more data, but use more of the old cat food than the new cat food
d)
Change the amount of water the cat gets with both types of food
10.

What can you infer about the temperature for E.coli bacterial growth, according to the graph?

a)

E.coli does not grow well at low and high temperatures.

b)

E.coli grows the worst around 40oC

c)

E.coli grows best at very low temperatures

d)

E.coli grows best at very high temperatures.

11.

According to this graph, what is Earth's speed?

a)

10,000 m/s

b)

28,000 m/s

c)

33,000 m/s

d)

46,000 m/s

12.

This table shows the growth of plants in soils with different pH levels (acidity). Make an inference about the effect of pH level on the growth of this type of plant.

a)

This plant grows best at medium pH levels (6.6, 6.8).

b)

This plant grows best at lower pH levels (6.0, 6.2, 6.4)

c)

This plant grows best at higher pH levels (7.0, 7.2)

d)

pH has no effect on this plant's growth

13.

What percentage of people chose pepperoni as their favorite type of pizza?

a)

10%

b)

33%

c)

50%

d)

67%

14.
In August, how many metric tons did Clark's Paper Mill and Tyler Paper Mill produce all together?
a)
10
b)
70
c)
80
d)
90
15.
What is this graph showing you?
a)
The worlds population is staying the same.
b)
The worlds population is going down (decreasing).
c)
The worlds population was growing but now is decreasing.
d)
The worlds population has been growing and will continue to grow. 
16.
Kira wants to test which type of soda creates the biggest foam explosion when adding a Mentos candy.  She chose Sprite, Coke, and Mountain Dew.  One at a time, she added a single Mentos candy and measured the height of the foam eruption.  Mountain Dew created a foam eruption of 7 inches.  Coke and Sprite tied at 5 inches.  What is her dependent variable?
a)
Brand of soda
b)
Number of mentos candies used
c)
Height of foam eruption
d)
Temperature of soda
17.
When scientists collect data that is measurable with numbers, we call it...
a)
qualitative data
b)
quantitative data
c)
hypothetical data
d)
graphing data
18.

Which step of the scientific method is a summary of what we learned and either supports or disproves the hypothesis?

a)

Conclusion

b)

Hypothesis

c)

Purpose

d)

Experiment

19.

Which type of variable must always stay the same in order to make the experiment accurate?

a)

Controlled Variable

b)

Manipulated Variable

c)

Dependent Variable

d)

Responding Variable

20.

In which step of the scientific method do we talk to experts, read books, and look online for what work has already been done?

a)

Purpose

b)

Research

c)

Hypothesis

d)

Analysis

Similar Resources on Wayground

Science 8 Q1 M3: Potential Energy and Kinetic Energy

15 questions

Science 8 Q1 M3: Potential Energy and Kinetic Energy

quiz

Worksheet

•

8th Grade

The Sun Quiz

20 questions

The Sun Quiz

quiz

Worksheet

•

8th Grade

Word of the Days quiz

20 questions

Word of the Days quiz

quiz

Worksheet

•

8th Grade

Plant and animal Quiz

15 questions

Plant and animal Quiz

quiz

Worksheet

•

7th - 10th Grade

States of matter

20 questions

States of matter

quiz

Worksheet

•

KG - 8th Grade

Solar system

19 questions

Solar system

quiz

Worksheet

•

1st - 10th Grade

Penambahan dan penolakan cahaya

20 questions

Penambahan dan penolakan cahaya

quiz

Worksheet

•

3rd - 9th Grade