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Forms Of Energy
Test Description: Uses and forms of energy and review of physical properties.
Instructions: Answer all questions to get your test result.
1) What form of energy is used to cook food in a solar cooker?
A
Sound energy
B
Electrical energy
C
Mechanical energy
D
Thermal energy
2) What type of energy is created by vibrations of matter?
A
Sound energy
B
Mechanical energy
C
Electrical energy
D
Thermal energy
3) What type of energy does a dam use to generate electricity using moving water?
A
Sound energy
B
Thermal energy
C
Mechanical energy
D
Electical energy
4) When light passes through any type of lens, it _____________________.
A
disappears
B
dissolves
C
refracts
D
reflects
5) Students wanted to test cups to see which was the best thermal insulator. They used several different ypes of cups with the same amount of water at the same temperature. What was the variable in the experiment?
A
The amount of water
B
The heat of the water
C
The amount of time
D
The type of cups used
6) When a dolphin swims, it uses high-pitched sounds to find food and communicate with other dolphins. What type of energy is it using to swim?
A
Electrical energy
B
Light energy
C
Mechanical energy
D
Sound energy
7) Which of the following is not an insulator of electricity?
A
Copper
B
Wood
C
Rubber
D
Plastic
8) A fan uses electricity which is transformed into ___________________.
A
Thermal energy
B
Mechanical energy
C
Sound energy
D
All if these
9) When light hits a shiny objects it bounces off. What do we call the bouncing off of light?
A
Refraction
B
Diffraction
C
Reflection
D
Absorption
10) What do you call a type of material that stops the flow of energy and protects us from getting burned or electrocuted?
A
Resistor
B
Variable
C
Insulator
D
Conductor
11) What property of light allows us to see shadows?
A
The sun is the main source for light
B
Light travels in a straight line
C
Light curves around objects
D
Light reflects off shiny objects
12) Which of the following is not soluble in water?
A
Salt
B
Sand
C
Sugar
D
Lemon juice
13) Things look broken, larger, or in a different place in water. This is caused when light is ___________.
A
Reflected
B
Absorbed
C
Refracted
D
Density
14) When you put a piece of wood in the water it floats. When you put the same piece in oil, it sinks. Put them in order from most dense to least dens.
A
Water, oil, wood
B
Oil, wood, water
C
Water, wood, oil
D
Oil, water, wood
15) A student placed two magnets next to each other with the North poles facing each other. What will happen and why?
A
They will repel because they are opposites
B
They will repel because they are alike
C
They will attract because they are opposites
D
They will attract because they are alike
16) Riding a bike, sharpening a pencil, and opening a door all require what type of energy?
A
Electrical energy
B
Light energy
C
Sound energy
D
Mechanical energy
17) Which of the following items takes the most amount of force to move?
A
Pencil
B
School bus
C
Chair
D
Index card
18) Which of the following make a mixture when added to water and stirred because they all retain their physical properties
A
Food coloring, drink mix, and sugar
B
Sand, pepper, and rocks
C
Salt, marbles, and sugar
D
Tea, sugar, and a lemon slice
19) Light reflects when it hits a shiny object. What do we call it when we hear sound that bounces off of objects and back to us?
A
Volume
B
Density
C
Echo
D
Pitch
20) What do you call the amount of space an objects takes up?
A
Volume
B
Solubility
C
Mass
D
Density
*select an answer for all questions
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