In which form does energy come to the Earth from the Sun?
What is light?
100
In what form does energy from the Sun travel to Earth?
What is light
100
Ice
What is a solid foem of matter?
100
A shadow.
What forms when light is blocked?
100
This causes ice to change to liquid water.
What is heat?
200
What kind of energy does your body use to move?
What is food?
200
Which kind of object reflects light in an organized way?
a) flat, smooth
b) curved, bumpy
c) tilted, rough
d) jagged, broken
What is flat and smooth?
200
Anything that takes up space and has mass.
What is matter?
200
This color absorbs all colors of light?
What is black?
200
This is a flat surface made of shiny material.
What is a mirror?
300
Which object changes stored energy into electricity?
What is a battery?
300
At what time of day would a shadow NOT form?
What is night?
300
This is the smallest part of an element.
What is an atom?
300
Which of these objects reflects only red light?
a) light bulb
b) sidewalk
c) fire truck
d) grass
What is a fire truck?
300
_____________ objects make sound waves?
What is Vibrating?
400
This happens when two objects rub together.
What is friction?
400
What prevents you from seeing objects in a dark room?
a) The walls absorb reflected light
b) Light is not reflected from the objects
c) The objects only absorb light
d) Your eyes reflect light from the objects
What is b) Light is not reflected from the objects
400
Elements are arranged in this table.
What is a periodic table?
400
This shows all the colors that make up sunlight.
What is a rainbow?
400
Chemical changes inside these make electricity.
What are batteries?
500
Moving objects have energy of _________.
What is motion?
500
This form of energy travels in a straight line.
What is light?
500
This happens when a liguid changes to a gas.
What is evaporation?
500
This object takes in all the light that hits it.
What is a white object?
500
During a ___________change, one kind of matter changes into another kind of matter.