wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

GL revision

Total questions: 104

Worksheet time: 2hrs 24mins

Name
Class
Date
1.
Use the diagram answer the question.
What is a fitting description for this diagram?
a)
A Food Chain
b)
An Ecosystem
c)
A Food Web
d)
Biotic and Abiotic Factors
2.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
3.
Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?
a)
Population
b)
Resources
c)
Community
d)
Competition
4.
What is the best explanation for an energy pyramid?
a)
It shows the FLOW of energy from one organism to the next. 
b)
It shows HOW much energy flows through a food web
c)
It shows the MEMBERS in a single organism
5.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
6.
In this Food Web Pyramid what is the proper name for the organisms above the producer level at the bottom.
a)
herbivores
b)
consumers
c)
carnivores 
d)
omnivores
7.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
8.
The snake and the frog, are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
9.
In Australia the farmers had a problem with beetles eating the sugar cane. So they introduced the cane toad to control that population. Instead of eating the beetles, they ate the source of food and other organisms. What would be a possible consequence of this?
a)
The other organisms attacks the toad population
b)
The ecosystem would be destroyed
c)
The cane toads would get too much food and die
d)
The food web was changed by this one organism
10.
About how much percent of energy is passed on from one organism to to the next on a food web pyramid. 
a)
100 percent of all energy gets passed
b)
45 percent of all energy gets passed
c)
10 percent of all energy gets passed
d)
0 percent of all energy gets passed
11.

What is the energy of motion that depends on speed and mass?
a)
Potential Energy
b)
Kinetic Energy
c)
Chemical Energy
d)
Thermal Energy
12.

What is the energy of position or shape that depends on weight and height, also called stored energy?
a)
Potential Energy
b)
Kinetic Energy
c)
Chemical Energy
d)
Sound Energy
13.
What is energy?
a)
It is measured in watts
b)
It is the ability to do work
c)
It is power
d)
It is fluid motion
14.

Which coconut has the greatest gravitational potential energy?
a)
Position 1
b)
Position 2
c)
Position 3
d)
None of the above
15.

At what position does the cyclist have the least gravitational potential energy?
a)
A
b)
B
c)
C
d)
D
16.
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon.  What energy transformations occur when propane gas is used to lift the balloon? 
a)
Mechanical to light to chemical
b)
Chemical to thermal to mechanical 
c)
Chemical to mechanical to thermal 
d)
Thermal to chemical to light
17.

What is happening at B?
a)
Lowest kinetic energy, highest potential energy
b)
Highest kinetic energy, lowest potential energy
18.
What is the energy transformation?
sun ----> apple tree
(think about what the plant needs for photosynthesis)
a)
chemical to solar
b)
solar to chemical
c)
heat to chemical
d)
chemical to mechanical
19.

The pizza that you eat has ___ energy.
a)
Chemical
b)
Electrical
c)
Kinetic
d)
Sound
20.

A student rides a bicycle to school. This is an example of energy because the student
a)
becomes hot and sweats
b)
pushes the pedals and the bicycles moves
c)
gets tired pedaling the bicycle
d)
rides the bicycle to and from school
21.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
22.
When you charge an electroscope by touching it with a charged balloon, the process is called _____.
a)
friction
b)
conduction
c)
induction
d)
grounding
23.
The potential difference that causes charges to move in a circuit is ___.
a)
voltage
b)
resistance
c)
current
d)
electric discharge
24.
An example of a voltage source is a _____.
a)
voltmeter
b)
battery
c)
resistance
d)
switch
25.
A circuit that is connected to Earth is said to be _____.
a)
series
b)
parallel
c)
grounded
d)
discharged
26.
Your hair might be attracted to your comb as your hair and the combe become oppositely charged.
a)
true
b)
false
27.
A neutral object becomes negatively charged when it loses electrons.
a)
true
b)
false
28.
Conduction is the process of charging an object without touching it.
a)
true
b)
false
29.
Electrical resistance is low in a good conductor.
a)
true
b)
false
30.
A circuit breaker contains a thin strip of metal that melts if too much current passes through it.
a)
true
b)
false
31.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
32.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
33.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
34.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
35.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
36.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
37.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
38.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

39.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
40.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

41.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
42.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
43.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
44.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
45.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
46.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
47.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
48.

Pure substances are classified into elements and compounds. Elements are the simplified form of matter. Which of the following is an element?

a)

Carbon monoxide

b)

Germanium

c)

Glucose

d)

Nitrous oxide

49.

Which of the following is the simplest form of substance?

a)

solution

b)

compound

c)

element

d)

mixture

50.

When one or more substance is combined it is called __________________.

a)

compound

b)

element

c)

mixture

d)

solution

51.

Which of the following statements describes an element?

a)

It contains only one kind of atom.

b)

It can be decomposed by ordinary chemical means.

c)

It is composed of atoms of two or more elements that bond together.

d)

It has unique properties that are different from the properties of its individual elements.

52.

Which of the following statements describes a compound?

a)

It contains only one kind of atom.

b)

It can be separated by physical means.

c)

It cannot be decomposed into simpler types of substances.

d)

It consists of atoms of two or more different elements bond together.

53.

Methane is a colorless odorless gas compound. Given the structure, what elements compose the methane?

a)

Helium and Carbon

b)

Helium and Calcium

c)

Hydrogen and Carbon

d)

Hydrogen and Calcium

54.

A Grade 7 student planned to have an experiment. He prepared the materials namely sodium bicarbonate, hydrogen peroxide, iodine, and iron. Which of these materials are compounds?

a)

Sodium bicarbonate and hydrogen peroxide

b)

Sodium bicarbonate and iodine

c)

Hydrogen peroxide and iodine

d)

Hydrogen peroxide and iron

55.

Which of the following is NOT a compound?

a)

Monosodium glutamate

b)

Sodium chloride

c)

Citric acid

d)

Krypton

56.

What elements made up the compound Carbon dioxide?

a)

Carbon and Oxide

b)

Carbon and Oxygen

c)

Carbon and Hydrogen

d)

Carbon and Carbon

57.

Which of the following statements is true about the illustrations below?

a)

Illustrations I and IV are elements; Illustrations II and III are compounds.

b)

Illustrations II and III are elements; Illustrations II and IV are compounds.

c)

Illustrations I and II are elements; Illustrations III and IV are compounds.

d)

Illustrations III and IV are elements; Illustrations I and II are compounds.

58.
When light shines through a prism it creates a ________________
a)
colors
b)
ROY G. BIV
c)
spectrum
d)
electromagnetic wave
59.
Material that allows light to pass through allowing you to see "clearly" to the other side
a)
opaque
b)
translucent
c)
transparent
60.
Wax paper or a foggy window is an example of what type of material. 
a)
transparent
b)
translucent
c)
opaque
61.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
62.
What do we call this tool that separates white light into the colors of the Visible Spectrum?
a)
tuning fork
b)
prism
c)
microscope
d)
graduated cylinder
63.
What is the saying that can help you remember the order of the visible spectrum?
a)
ROYGBIV
b)
RYOBIVG
c)
ROBVIG
d)
RIBYOG
64.
What is light?
a)
waves
b)
energy
c)
the sun
d)
a source
65.
Sound is caused by....
a)
molecules
b)
vibrations
c)
people
d)
space
66.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
67.
What medium (solid, liquid, gas) does sound travel fastest through?
a)
solid
b)
liquid
c)
gas
68.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
69.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
70.

A north pole and a south pole will attract each other.

a)

True

b)

False

71.

Which of the following objects cannot be moved by a magnet?

a)

A paper clip

b)

A nail

c)

A toothpick

d)

A staple

72.

How is a permanent magnet different from a temporary magnet?

a)

A permanent magnet attracts materials made of iron.

b)

A permanent magnet has poles.

c)

A permanent magnet has a magnetic field.

d)

A permanent magnet keeps its magnetism for a long time.

73.

Earth acts like a giant magnet because its center is made up MOSTLY of

a)

Granite

b)

Limestone

c)

Iron

d)

Nickel

74.
True or False: All metals stick to magnets.
a)
True
b)
False
75.
It is possible for a magnet to have only one pole.
a)
True
b)
False
76.

A device that uses a free-moving magnetic needle to show direction is a:

a)

Lodestone

b)

Magnet

c)

Compass

d)

Magnetic field

77.

Where is the force of attraction the strongest on a magnet?

a)

At the poles.

b)

In the middle of the magnet.

c)

Above the magnet.

d)

Below the magnet.

78.

Why does a compass needle, point towards the north?

a)

The compass is a bar magnet.

b)

North is up.

c)

It deflects.

d)

It lines up with the Earth's magnetic field.

79.

What will happen when these magnets are brought close together?

a)

They will attract each other.

b)

They will repel each other.

c)

Both the magnets will turn to the left.

d)

Both the magnets will turn to the right.

80.

This large crane magnet functions only when the electrical current is ON. The crane magnet is an example of what type of magnet?

a)

NIB Magnet

b)

Ceramic Magnet

c)

Electromagnet

d)

Disc magnet

81.

Iron, Nickel and Cobalt are all __________________ materials.

a)

Shiny

b)

Poles

c)

Magnetic

d)

Cold

82.

What characteristics do magnetic substances have?

a)

They can give you a "shock" when you touch them.

b)

They can push or pull objects without touching them.

c)

They are always black and cold to touch.

d)

They fall faster than other objects when you drop them.

83.

How is Earth's magnetic field similar to that of a magnet?

a)

It is hundreds of miles long.

b)

It has north and south poles.

c)

It is made in Earth's core.

d)

It is shaped like a horseshoe.

84.

Which of the following statements is true about a bar magnet?

a)

Its magnetic field is strongest near its center.

b)

It is surrounded by a magnetic field.

c)

The north pole is stronger than the south pole.

d)

The south pole is stronger than the north pole.

85.
what is the meaning of convection?
a)
cold rises heat falls
b)
heat
c)
cold
d)
hot rises cold falls
86.
what is the meaning of conduction
a)
when heat transfers from objects that are not touching
b)
heat rise 
c)
cold fall
d)
when heat transfers from objects that are touching
87.
what kind of heat is happening when the sun heats your body
a)
conduction
b)
convection
c)
density
d)
radiation
88.
heat rises
a)
true
b)
false
89.
heat energy traveling through space is an example of _____
a)
convection
b)
density
c)
radiation
d)
conduction
90.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
91.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
92.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
93.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
94.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
95.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
96.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
97.
In some cultures, walking on fire is the ultimate sign of strength.
a)
conduction
b)
convection
c)
radiation
98.
In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.
a)
conduction
b)
convection
c)
radiation
99.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
100.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
101.
The warm air from this heater creates a current when the warm air rises and the cold air sinks.
a)
conduction
b)
convection
c)
radiation
102.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
103.
The chocolate bunny and the iron.
a)
conduction
b)
convection
c)
radiation
104.
The chocolate bunny and the lamp.
a)
conduction
b)
convection
c)
radiation

Similar Resources on Wayground

Chemical Compounds and Changes Review and Practice

109 questions

Chemical Compounds and Changes Review and Practice

quiz

Worksheet

•

8th Grade

Review Questions for Earth, Moon, Sun, and Solar System

100 questions

Review Questions for Earth, Moon, Sun, and Solar System

quiz

Worksheet

•

6th - 8th Grade

8th Q2 Exam Study Guide

106 questions

8th Q2 Exam Study Guide

quiz

Worksheet

•

8th Grade

Natural Selection Quiz Practice

101 questions

Natural Selection Quiz Practice

quiz

Worksheet

•

7th Grade

Moon Challenge and a few review questions on Seasons

101 questions

Moon Challenge and a few review questions on Seasons

quiz

Worksheet

•

4th - 8th Grade

Wave characteristics

108 questions

Wave characteristics

quiz

Worksheet

•

8th Grade

All Units : Vocabulary Jumble

99 questions

All Units : Vocabulary Jumble

quiz

Worksheet

•

8th Grade

The Universe, Gravity, Mass and Tides

99 questions

The Universe, Gravity, Mass and Tides

quiz

Worksheet

•

6th - 8th Grade