Waves
Do waves travel faster in water or a air?
Waves travel faster in water because water is denser
What is the definition of light?
The definition of light is an energy we can see.
What part of the eye does light hit first?
Light hits the cornea first.
Finish the sentence that describes sound...
Sound travels through particles that______________ .
Sound travels through particles that vibrate.
What is the name of the layer that keeps a polar bear warm in the Arctic?
The layer is called blubber.
What is the top of a wave called?
The top of a wave is the peak or the crest
Name the three types of light sources on earth?
The three types of light sources are the sun, fire and electricity.
What part of the eye (other than the eyelid)opens and closes to adjust the amount of light that enters.
The pupil is the part of the eye that opens and closes.
Sound requires a _________________ to travel through.
Sound requires a medium to travel through.
What is a specific area on earth that has a specific climate, specific plants and specific animals called?
These specific areas are called biomes.
What type of energy that we have learned about, travels in waves?
The two types of energy we learned about that travel in waves are sound and light.
Which is faster, a sound wave or a light wave?
A light wave is much faster. It is 186,000 milers per second.
What is the part of your eye that is the colored part of your eye.
The iris is the colored part of your eye.
Does sound travel faster through a gas or a solid?
Sound travels faster through a solid.
What is a great way to prevent the spread of germs?
A great way to prevent the spread of germs is to wash your hands with soap and water.
Waves transfer____________, they do not transfer____________.
Waves transfer energy, they do not transfer matter.
What is reflection and give an example of something that reflects light?
Reflection is when light bounces back off something and a mirror is a good example.
What happens to an image when it hits the lens of the eye?
An image flips when it hits the lens of the eye.
What is the speed of sound in a vacuum? Choose the best answer?
a) 10 meters/sec
b) 100 meters/sec
c) 0 meters/sec
d) none of these are correct
Sound travels at 0 meters/sec in a vacuum. The correct answer is c.
When we conduct a scientific experiment as a true scientist, we must collect _____________ .
When we conduct a scientific experiment as a true scientist, we must collect data.
How do you measure wavelength? You may write the answer or draw a diagram of the answer.
You measure a wavelength from crest to crest.
What does Opaque mean?
Opaque means no light can penetrate through.
What is the name of the part of the eye that send the image to the brain?
The optic nerve sends the image to the brain.
What type of wave is a sound wave?
A sound wave is a longitudinal wave.
What do scientists test during a science experiment?
Scientists test their hypothesis.