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WorksheetsPRE-EXAM QUIZ
Total questions: 60
Worksheet time: 3600secs
The correct meaning of energy is ....
an amount of vibration in one second
the amount of force exerted per area
an ability to do work
a push or pull upon an object
I am the main source of energy on earth. I give heat and light for the earth. Plants need
me to grow well. I am ....
sun
food
sound
electricity
Identify the energy changes in the picture?
A. Movement energy changes to sound energy.
B. Electrical energy changes to sound, light
and heat energy
C. Heat energy changes to movement energy.
D. Electrical energy changes to heat energy.
10. How does energy transfer occur in a light bulb?
A. Electrical energy to light and heat energy
B. Light energy to electrical energy
C. Heat energy to electrical energy
D. No energy transfer occurs
Which of the following statements about energy is correct?
Energy can be lost.
Energy can be transferred.
Energy can be created.
Energy can be used up.
Which form of energy is produced when a guitar string vibrates?
Sound energy
Electrical energy
Chemical energy
Light energy
Which form of energy is produced when a lamp is switched on?
Sound energy
Electrical energy
Chemical energy
Light energy
What kind of energy keeps people warm?
Sound energy
Moon energy
Muscle energy
Heat energy
A radio, siren, and a television are all designed to produce _______ energy.
light energy
sound energy
mechanical energy
electrical energy
Choose the source of energy
Sun
Wind
Water
Biomass
The correct arrow that show how the light travels is ____
A
B
C
D
Light always travels in a ____________ line.
straight
curved
elliptical
none
You are enabled to see objects because...
light travels out of your eyes and onto an object.
light travels out of an object.
light reflects off of an object and into your eyes.
light brightens up objects.
What is the correct order of what happens when our eyes see the flower in the picture:
1. the light bounces off,
2. the light enters the boy's eyes,
3. the sunlight hits the flower.
1-2-3
2-1-3
3-1-2
None of these
Why do mirrors reflect light well?
Because you can see your face in one.
They are rough and dull
They have dull surface
They have a smooth and shiny surface.
Picture that shows reflection on mirror is ____
What does a ray diagram show?
The direction in which light travels
The source of light
The direction from our eyes to the light source
The objects we can see in the dark
Which of the following is not a light source?
lamp
moon
sun
candle
Which one of the following diagrams correctly shows how we can see an object?
When light is _____________, it bounces back from a surface.
reflected
refracted
absorbed
Stan can see the moon at night because the moon
glows in the dark
reflects light from the sun
is very large
makes its own light
A _________open and closes a circuit.
conductor
insulator
source
switch
For a light bulb to turn on, does the circuit have to be open or closed?
open
closed
both
half-way open
A material that does NOT allow electricity to flow through it is called a_____________.
source
switch
insulator
conductor
A material the ALLOWS electricity to flow though it is called a ________________.
Insulator
Conductor
switch
source
An example of a conductor of electricity is__________.
rubber
glass
plastic
copper
An example of an insulator of electricity is________________.
copper
metal
rubber
steel
What is the power source in the diagram of this circuit?
switch
battery
wire
light bulb
The circuit on the left is not complete (the light is off) because:
the switch is closed
the switch is open
the battery is missing
the battery is in backwards
What is missing from this circuit? Why would the light bulbs be off?
The battery, there is no power for the circuit to work.
The switch is open, so the circuit is broken.
The third light bulb, that is needed to complete the circuit.
The wires are not connected properly.
This steel paperclip would allow electricity to flow through it because:
it is a conductor
it is an insulator
it is friendly
it breaks the circuit
This rubber ducky would block the flow of electricity, because:
it is a conductor
it is an insulator
it is yellow
it completes the circuit
Which of the following are Conductors of Electricity?
(multiple answers)
copper
rubber
aluminum
wood
gold
The Sun is a
Planet
Moon
Star
Asteroid
Which of these planets is the farthest from the sun?
Mercury
Earth
Neptune
Jupiter
Which is the largest planet in our Solar System?
Saturn
Neptune
Earth
Jupiter
Which planet is sometimes called the "red planet"?
Jupiter
Mercury
Mars
Uranus
Which planet is the hottest in the Solar System?
Earth
Mercury
Venus
Mars
Which planet is the sixth from the sun?
Venus
Jupiter
Uranus
Saturn
The space objects which are small, rocky objects that move around the Sun are called...
asteroids
sun
comets
planets
The space objects as lumps of ice, dust, and rock that move around the Sun are called...
asteroids
sun
comets
planets
The position of axis is (a)
Time taken by the Earth to spin on its axis once is ....
24 hours
24 days
365 hours
365 days
the Earth to spin on its axis
the Earth to orbit the Sun
the Sun to orbit the Earth
Mars to move around the Sun
Sunrise and sunset happen because of ____.
the Earth rotation
the Earth revolution
the Sun rotation
the Sun movement
Which of the following does the spinning of the Earth on its axis cause?
A year
The cycle of day and night
The sun seems moving across the sky
Season changes
Anika makes a model of the solar system. She uses a ball as a model of the Sun. She uses an apple, an orange, some cherries, and grapes as the planets.
Which planet represented by grapes?
Earth
Jupiter
Saturn
Mercury
Many scientists have explored our solar system and stars. Claudius Ptolemy made a model of the solar system.
Now we know that this model is wrong. Based on the picture, the wrong theory is ____.
the center of the solar system is the Earth
the Earth orbit the Sun
The sun is the center of solar system
Venus is the furthest planet from the Sun
The Earth does two types of movement, rotation and revolution.
The Earth movement that causes day and night is (a)
Complete the following sentence.
"At noon the Sun is higher in the sky, and Yasmin's shadow become (a) "
Which planet is NOT a gas giant?
Jupiter
Mercury
Neptune
Saturn
The layer labelled by "X" is called ....
crust
mantle
outer core
inner core
Which of following are correct?
layer A is the place where we live in
layer B is the inner core
layer C is the outer core
temperature of layer D is 1000-3700 degree celcius
The name of Earth layer shown by letter B is (a)
The layer that is made of melted metals such as iron and nickel is called (a)
Part of volcano labelled by "S" is ....
crust
vent
crater
lava
a sudden and violent shaking of the ground can cause ....
earthquake
volcanic eruption
Earth rotation
day and night
The crater can be found in (a) layer.
The melted rocks in the mantle are called (a)
