Light
How does light travel?
a. In pipes.
b. In waves.
c. In rings.
What is b, in waves.
What is objects that let SOME light through?
a. opaque
b. translucent
c. solid
What is b translucent.
What happens when light is blocked by an object?
a. the light bends.
b. the light creates a shadow.
c. It gets really dark.
What is b, The light creates a shadow.
Sound is produced by
What is vibrating matter
Which of these items needs electricity to work?
a. a book
b. a cell phone
c. a dog
What is b, a cell phone.
What is needed by ALL living things?
a. Clothes
b. Electricity
c. Sunlight
What is c, sunlight.
What does Roy G. BIV stand for?
a. The inventor of light.
b. The type of rays from the sun.
c. The colors of the rainbow.
What is c, the colors of the rainbow.
What is objects that let NO light pass through called?
a. opaque
b. transparent
c. invisible
What is a, opaque
Pitch is what?
a. How loud a sound is.
b. How long a sound is.
c. How high or low a sound is.
What is c, how high or low a sound is.
Electricity make a what light uop
What is light bulb
Which sources of light are man made?
a. The sun and stars.
b. The firefly and glow fish.
c. A fire and flashlight.
What is c. A fire and flashlight.
What color does grass and leaves reflect?
a. yellow
b. green
c. orange
What is b, green.
What is objects that let ALL light pass through?
a. transparent
b. shadows
c. reflective
What is a, transparent.
What do you need to create an echo?
a. A tight space.
b. A smooth surface to reflect the sound.
c. A loud sound.
What is b, A smooth surface to reflect the sound.
What is electricity?
a. A form of energy from the sun
b. A form of energy created from the movement of atoms.
c. Something in the pipes.
What is b. A form of energy created from the movement of atoms.
What do we call light when it bounces off object?
a. reflect
b. bounce
c. mirror
What is a, reflect.
What has to happen for there to be a rainbow outside?
a. The sun shining and reflecting off of raindrops.
b. The sun rays reflecting off of snow.
c. There needs to be a lot of clouds.
What is a, The sun shining off of raindrops.
Sound waves----a bat can hear sound waves from an insect. This is called
What is echolocation
Sound travel in what direction
What is outward in all directions
How does Electricity travel?
a. on a circuit.
b. on a rope.
c. in a wave.
What is a, on a circuit.
What is when light BENDS?
a. reflect
b. refract
c. rebound
What is b, refract.
When you combine all the colors of the rainbow, what color does it reflect?
a. blue
b. pink
c. white.
What is c, white.
Sound is created when objects do what?
a. Move
b. stretch
c. Vibrate
What is c, vibrate.
Can humans hear all pitches of sounds? yes or no
What is no.
What is volts and coils
White light is made of different
What is colors
Black absorbs
What is light
Sound travel slower in what type of matter
What is gas
Sound is a form of energy that needs
What is partials to travel
Examples of insulations of electricity are
cardboard
wood
glass
Which travels faster sound or light
what is light
White --- light
What is reflection
Sounder travels slower in a liquid than a
What is a air
open switch means no ________
closed switch means _______
no power
power
Examples of conductors of electricity are
metal, seawater, copper,brass,steel
How long does it take light to travel from the sun to the Earth
What is 8mins. and 20 sec.
A battery (dry cell) is a source of
What is energy in a circuit
Light is a ___wave that does not need a ____to travel through.
transverse, medium
Open circuit does not allow electricity to flow through it because of a
What is brake
What type of circuit does not let electricity flow through because of a
What is a brake in it.