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Force and energy

Total questions: 47

Worksheet time: 24mins

Name
Class
Date
1.

The amount of matter in an object is measured by its .................

a)

Weight

b)

Mass

c)

Force

d)

Gravity

2.
The force of gravity acting on an object is the object's ______.
a)
Mass
b)
Matter
c)
Weight 
d)
Terminal velocity 
3.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

4.
 What is the unit that measures force?
a)
Weight
b)
Net force
c)
Newton
d)
Kilogram
5.
What is the force acting between any two objects in the known universe all the time?
a)
Gravitational Force 
b)
Force of Friction 
c)
Normal Force 
d)
Electromagnetic Force 
6.

What force holds the planets in orbit around the sun?

a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
7.

Our weight is the result of

a)

magnets

b)

the moon

c)

gravitational pull

d)

mass

8.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
Mass and Distance 
b)
Mass and Matter
c)
Distance and Weight 
d)
Weight and Mass
9.
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
10.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
11.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N 
b)
40N 
c)
10N 
d)
70N
12.
What type of fluid friction acts on an object moving through the air?
a)
Friction 
b)
Normal Force 
c)
Gravity 
d)
Air resistance 
13.
A nebula is:
a)
A cloud of ice
b)
A cloud of dust and gas
c)
A cloud of just gas
d)
A cloud of just dust
14.

A nebula starts to collapse and make a sun and planets because of:

a)
A nearby star shining it's light
b)
A passing spaceship
c)
A passing comet
d)
Gravity
15.
As a nebula collapses it also begins:
a)
Expand
b)
Rotate
c)
Shake
d)
Turn to ice
16.

A giant ball of hot gases, made mostly of hydrogen and helium:

a)

Constellation

b)

Asteroid

c)

Meteor

d)

Star

17.

How long does the Earth take to rotate around its axis?

a)

Half a day

b)

24 hours

c)

365 days

18.

How long does it take for the Earth to journey around the Sun?

a)

24 days

b)

365 days

c)

24 hours

d)

half a year

19.

Which phenomenon does the Moon affect on Earth?

a)

The seasons

b)

Tree growth

c)

Mountain erosion

d)

The tides

20.

________ causes day and night.

a)

Gravity of earth

b)

Rotation of earth around itself

c)

Orbit of earth around the sun

d)

orbit of the moon around the earth

21.

what is a axis

a)

a imaginary line that goes through south and the north pole

b)

a stick the that holds up the earth

c)

i visible line the goes through the south and north pole

22.

_______are daily changes in ocean water.

a)

Waters

b)

Tides

c)

Colors

d)

Earths

23.

Tides are caused by the difference in the gravitational force of the ________ and ________ across the ________.

a)

earth, sun, moon

b)

sun, mars, jupiter

c)

sun, moon, earth

d)

tide, water, sun

24.

The tidal force exerted by the ______ is stronger that the tidal force exerted by the _______.

a)

earth, ocean

b)

sun, moon

c)

moon, stars

d)

moon, sun

25.

The moon is mainly responsible for the tides on Earth because it is _________ _________.

a)

much closer

b)

far away

c)

behind the sun

26.

The _____ _____ is the difference between the levels of ocean water at high tides and low tides. That range depends on the sun-Earth-moon;s position.

a)

ocean waves

b)

mountain level

c)

sea level

d)

tidal range

27.
How many high tides does a place have each day?
a)
3
b)
4
c)
5
d)
2
28.
What type of tide will occur at 9:30 a.m.?
a)
low 
b)
high 
c)
none
d)
high and low
29.

The ability to do work (move) is called...

a)

Matter

b)

Energy

c)

Weight

d)

Force

30.

Which of the following is an example of thermal energy?

a)

A light bulb

b)

The movement of a car

c)

The digestion of food

d)

Heat from a fire

31.

True or False: Energy can be created.

a)

True

b)

False

32.

Which has more gravitational energy?

a)

A snowboarder at the top of a mountain

b)

A person laying on the beach

33.

Which of the following is NOT a form of energy?

a)

Thermal

b)

Mechanical

c)

Sound

d)

Water

34.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

35.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

36.
WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF POTENTIAL ENERGY?
a)
A BALL TRAVELING AT 10 M/S
b)
A COMPRESSED SPRING
c)
WATER BEING STORED AT A WATER DAM
d)
A STRETCHED RUBBER BAND
37.
YOUR BODY OBTAINS ENERGY FROM THE FOOD YOU EAT. WHAT IS THE FORM OF ENERGY IN FOOD?
a)
KINETIC
b)
ELASTIC
c)
GRAVITATIONAL
d)
CHEMICAL
38.
WHEN AN ARCHER BENDS A BOW, WHAT TYPE OF ENERGY INCREASES IN THE BOW?
a)
GRAVITATIONAL
b)
ELASTIC
c)
KINETIC
d)
THERMAL
39.

Knocking the door changes ............... energy into sound.

a)

light

b)

kinetic

c)

electric

d)

heat

40.

The Sun produces ______ and ______ energy.

a)

light, thermal

b)

thermal, sound

c)

light, wind

41.

If your hand hits a volleyball, then the energy is transferred to ________.

a)

your other hand

b)

the ball

c)

the air

d)

nothing

42.

The law on conservation states ____________.

a)

that energy cannot be created or destroyed

b)

energy can be destroyed

c)

energy can be created, but not destroyed

43.

An LED bulb is more efficient than a regular light bulb because ____________.

a)

more energy is changed to light energy, and not as much heat is given off

b)

more energy is changed to heat energy, and not as much light is given off

44.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
45.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
46.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
47.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical to thermal
b)
light to chemical
c)
thermal to light
d)
chemical to electrical

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