Forms Of Energy Question Preview (ID: 33298)
Uses And Forms Of Energy And Review Of Physical Properties.
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What form of energy is used to cook food in a solar cooker?
a) Thermal energy
b) Electrical energy
c) Sound energy
d) Mechanical energy
What type of energy is created by vibrations of matter?
a) Thermal energy
b) Electrical energy
c) Sound energy
d) Mechanical energy
What type of energy does a dam use to generate electricity using moving water?
a) Thermal energy
b) Electical energy
c) Sound energy
d) Mechanical energy
When light passes through any type of lens, it _____________________.
a) reflects
b) refracts
c) dissolves
d) disappears
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 type of cups used
d) The amount of time
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) Light energy
b) Sound energy
c) Electrical energy
d) Mechanical energy
Which of the following is not an insulator of electricity?
a) Plastic
b) Copper
c) Rubber
d) Wood
A fan uses electricity which is transformed into ___________________.
a) Mechanical energy
b) Thermal energy
c) Sound energy
d) All if these
When light hits a shiny objects it bounces off. What do we call the bouncing off of light?
a) Reflection
b) Refraction
c) Diffraction
d) Absorption
What do you call a type of material that stops the flow of energy and protects us from getting burned or electrocuted?
a) Conductor
b) Insulator
c) Resistor
d) Variable
What property of light allows us to see shadows?
a) Light curves around objects
b) Light reflects off shiny objects
c) Light travels in a straight line
d) The sun is the main source for light
Which of the following is not soluble in water?
a) Salt
b) Sand
c) Sugar
d) Lemon juice
Things look broken, larger, or in a different place in water. This is caused when light is ___________.
a) Reflected
b) Refracted
c) Absorbed
d) Density
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) Water, wood, oil
c) Oil, wood, water
d) Oil, water, wood
A student placed two magnets next to each other with the North poles facing each other. What will happen and why?
a) They will attract because they are alike
b) They will attract because they are opposites
c) They will repel because they are alike
d) They will repel because they are opposites
Riding a bike, sharpening a pencil, and opening a door all require what type of energy?
a) Light energy
b) Sound energy
c) Electrical energy
d) Mechanical energy
Which of the following items takes the most amount of force to move?
a) School bus
b) Pencil
c) Index card
d) Chair
Which of the following make a mixture when added to water and stirred because they all retain their physical properties
a) Salt, marbles, and sugar
b) Tea, sugar, and a lemon slice
c) Sand, pepper, and rocks
d) Food coloring, drink mix, and sugar
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) Pitch
b) Echo
c) Volume
d) Density
What do you call the amount of space an objects takes up?
a) Mass
b) Volume
c) Density
d) Solubility
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