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Term Test Practice

Total questions: 83

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

Why would a person weigh more on Jupiter than on the Earth?

a)

Jupiter has more mass, and therefore more gravity

b)

Jupiter has less mass, and therefore more gravity

c)

Jupiter has more mass, and therefore less gravity

d)

Jupiter has less mass, and therefore less gravity

2.
Which is the correct order of our planets?
a)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
b)
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune
c)
Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury
d)
Mercury, Venus, Earth, Mars, Neptune, Saturn, Jupiter, Uranus
3.

What is gravity?

a)

A push or pull on an object

b)

The force of attraction (pull) between two objects

c)

The tendency to keep moving in a straight line

d)

Any object that orbits another object

4.

What is caused by the tilt of Earth's axis?

a)

Months

b)

Years

c)

Seasons

d)

Hours

5.

Why do stars appear to move across Earth's sky each night?

a)

Earth rotates on its axis

b)

The stars orbit each other

c)

Earth revolves around the Sun

d)

The stars rotate with the Moon

6.

What is the Moon to Earth?

a)

Comet

b)

Axis

c)

Satellite

d)

Probe

7.

Why does the moon appear to shine?

a)

It is like a star and gives off light

b)

It refracts light from space

c)

It reflects light from the sun

d)

It absorbs light from the sun

8.

Which planet is eighth in the Solar System?

a)

Uranus

b)

Jupiter

c)

Neptune

d)

Mars

9.
What is a huge ball of very hot gases in space?
a)
galaxy
b)
equator
c)
star
d)
constellation
10.
A body that revolves around a star
a)
planet
b)
moon phase
c)
moon
d)
sun
11.
An imaginary line that passes through Earth's center and its North and South poles
a)
axis
b)
equator
12.
The path one body takes in space as it revolves around another
a)
universe
b)
orbit
c)
refraction
d)
moon
13.

An irregular shaped rocks that smaller than the planets and can found between Mars and Jupiter is…

a)

meteor

b)

comets

c)

asteroid

d)

UFO

14.

How many hours does the Earth take to complete 1 spin?

a)

20

b)

22

c)

24

d)

26

15.

How many days does the Moon take to Orbit the Earth?

a)

32

b)

30

c)

28

d)

26

16.

Imaginary line on the sky showing the path of the solar system objects

a)

equator

b)

equinox

c)

orbit

d)

ecliptic

17.

Exoplanets are found by which of the following methods

a)

transit and doppler

b)

transit and parallax

c)

parallax and doppler

18.
Sound moves in a _________.
a)
Transverse wave
b)
Longitudinal wave
19.
How is sound produced?
a)
By the vibration of particles
b)
By the transfer of particles 
20.
Area of a longitudinal wave where particles are CLOSE together.
a)
Compression
b)
Rarefaction
21.
Area of a longitudinal wave where particles are APART. 
a)
Compression
b)
Rarefaction
22.
The reflection of sound waves off of a hard surface can create ______.
a)
A wave
b)
An echo 
23.
___________ measures  how close or  far particles are.
a)
Amplitude
b)
Frequency 
24.
________ describes how LOUD a sound is. 
a)
Amplitude
b)
Frequency 
25.
____________ is determined by sound wave's frequency. 
a)
Compression
b)
Pitch 
26.
_______ is the number of waves that pass a certain point at an specific time. 
a)
Frequency 
b)
Pitch
c)
Amplitude
d)
I don't know
27.
Sound waves travel the FASTEST through _____________.
a)
gases
b)
liquids
c)
solids
28.

A large bell makes

a)

low pitch loud sound

b)

high pitch loud sound

c)

low pitch soft sound

d)

High pitch soft sound

29.
Magnetic field lines are closet together at the __________.
a)
poles
b)
lines
30.
The effects of a magnetic field can be observed using non-metal fillings.
a)
True 
b)
False
31.
Magnetic field lines always cross.
a)
True
b)
False
32.
The motion of liquid _______ in the Earth's core creates a magnetic field.
a)
Iron
b)
Magnesium
33.
__________ is the angle between geographic north and the north to which a compass needle points.
a)
declination
b)
magnetic force
34.
When the magnetic fields of two or more magnets overlap, a(n) _________ magnetic field forms.
a)
combined 
b)
single
35.

A compass behaves as it does because each needle acts as a(n) ___________.

a)

Magnet

b)

Guide

36.
A(n) __________ is a device that has a magnetized needle that can spin freely.
a)
Compass
b)
Magnetic Field
37.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
38.

Dylan puts two magnetic toy trains very close to each other on a track. What will happen next, and why?

a)

The trains will not move because the magnets are not touching.

b)

The trains will move closer to each other because the magnetic force will pull the trains together.

c)

The trains will move away from each other because the magnetic force will push the trains apart.

d)

The trains will move away from each other because the magnets are not touching.

39.

Are the magnetic field lines in the picture correct?

a)

Yes, because they point from north to south.

b)

No, because they point from north to south (they're supposed to go the other way).

c)

Yes, because the North pole is on the left in all pictures.

d)

No, because the North pole is on the left in all pictures (it's supposed to be on the right).

40.

What is the shape of a magnetic field around a wire?

a)
b)
c)
d)
41.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets are more powerful
d)
magnets have a North and South pole
42.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets are more powerful
d)
magnets have a North and South pole
43.

Select the diagram with the weakest magnetic field

a)
b)
c)
44.

Why does a compass needle point north?

a)

The compass is a bar magnet

b)

Because north is up and you know that up is always north or the stratosphere.

c)

Because it's magic

d)

Because the North end of the compass lines up with the Earth's magnetic south pole

45.

Where is the magnetic field the strongest around a bar magnet?

a)

far away from the magnet

b)

at the side of the magnet

c)

at the poles

d)

above the magnet

46.
Magnetic force between two magnets gets weaker the more ________________ between them.
a)
distance
b)
attraction
c)
metal
d)
lightsabers
47.
what is the earths magnetic field useful for 
a)
deflecting the solar wind, charged particles that come from the Sun.
b)
wind
c)
sun
d)
light
48.
Ancient people discovered magnetic rocks called lodestone. What did they use them for?
a)
fires
b)
compasses
c)
sculptures
d)
weapons
49.

Which scientist found the key to Alternating current by rotating a magnet?

a)

Oersted

b)

Farraday

c)

Maxwell

d)

Tesla

50.

Which scientist discovered the induced magnetic field of a current carrying wire by observing a compass?

a)

Oersted

b)

Farraday

c)

Maxwell

d)

Tesla

51.
What is an electromagnet?
a)
a temporary magnet made from current carrying wire around a magnetic metal core.
b)
a permanent magnet with a north and south pole
52.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
53.
Which of the following is NOT part of an electromagnet?
a)
Wire
b)
Iron
c)
Toothpick
d)
Power source
54.
Surrounding every magnet is a __________  __________.
a)
magnetic field
b)
electrical current
c)
another magnet
55.

Sophia made an electromagnet but it was very weak. How can she make it stronger?

a)

take away the battery

b)

wrap the wire loosely

c)

use less copper wire

d)

coiled more copper wire

56.

What component becomes a temporary magnet when electricity is flowing through the circuit?

a)

iron nail

b)

copper wire

c)

battery

d)

switch

57.

Princess made an electromagnet with one battery and wrapped a copper wire 30 times while Megan made and electromagnet with one battery and wrapped a copper wire 50 times. Which electromagnet is stronger?

a)

Megan

b)

Princess

58.

Why do you think the compass needle is moving when is near to electromagnet?

a)

Because of the magnetic field generated in the wire.

b)

Because of the electricity generated in the compass.

59.
Tim made an electromagnet with one d-cell and wrapped an uninsulated wire 30 times.  It did not work.  How could he fix it?
a)
wrap the wire more times
b)
include a switch
c)
use insulated wire
d)
use another d-cell
60.
If an object has the same number of positive and negative charges, its electrical charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
61.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
62.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
63.
True or False
Like charges repel
a)
True
b)
False
64.
True or False
A positively charged object has lost electrons
a)
True
b)
False
65.
True or False
A negatively charged object has lost protons
a)
True
b)
False
66.
Materials that tightly hold on to their electrons are considered 
a)
Good conductors
b)
Good insulators
c)
Good anti-static agents
d)
Useful for storing charge
67.
Which one of these objects is a good insulator
a)
Copper wire
b)
Glass
c)
Aluminum 
d)
Gold
68.
What is the major difference between static electricity and current electricity?
a)
Current electricity involves a continuous flow of neutrons; static electricity is a sudden transfer of protons
b)
Current electricity can be deadly; static electricity is almost always safe
c)
In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
d)
Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons
69.

Ms Pippin rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

a)

The balloons will repel each other.

b)

The balloons will attract each other.

c)

The balloons will become positively (+) charged.

d)

The balloons will pop.

70.

Bending water with a charged balloon is an example of what type of charging (charging an object without touching)

a)

friction

b)

induction

c)

conduction

71.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
72.
If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that
a)
friction destroyed electrons in the rod.
b)
the silk has become negatively charged.
c)
protons have moved to the rod.
d)
glass attracts more protons.
73.
A region around a charged particle that can exert a force on another charged particle is called an
a)
electric pulse.
b)
electric charge.
c)
electric force.
d)
electric field.
74.
When you pull a cotton sweater off your skin, electrons are transferred from the ___________________ (cotton, skin) to the __________________ (cotton, skin). As a result, your body acquires a ___________ (+ , -) charge and the cotton sweater acquires a ___________ (+ , -) charge.
a)
skin, cotton, +, -
b)
cotton, skin, +, -
c)
skin , cotton, -, +
d)
cotton, skin, -, +
75.

Is this an example of a series circuit?

a)

yes

b)

no

c)

It is a parallel circuit

76.

What type of circuit is this?

a)

Series circuit

b)

Kilowatt circuit

c)

Parallel circuit

d)

potential circuit

77.

This symbol represents a .............

a)

Anode

b)

Alternator

c)

Amplifier

d)

Ammeter

78.

This symbol represents a ..........

a)

Bulb

b)

Resistor

c)

Wire

d)

L.E.D.

79.

This symbol represents a ...........

a)

A snapped wire

b)

Electrical junction

c)

Switch

d)

L.E.D.

80.
a)

A

b)

B

c)

C

d)

D

81.
a)

A

b)

B

c)

C

d)

D

82.
a)

A

b)

B

c)

C

d)

D

83.
a)

A

b)

B

c)

C

d)

D

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