Show:
Lesson 1: What is energy?
Lesson 2: What are some ways energy changes form?
Lesson 3: How do Light and Matter Interact?
Lesson 4: How does sound energy move?
Lesson 5: What are volume and pitch?
100
What is energy?
The ability to do work or cause change
100
Name a type of energy you have used today and how.
Any logical example: brushing teeth (mechanical energy), Dreambox (electrical energy), etc.
100
What is light energy?
Energy we can see
100
There is no air in space. Would you be able to hear sounds in space? Why or why not?
No because sound energy only moves through matter.
100
What must happen for sound to be made?
Matter must vibrate
200
Name three kinds of energy.
kinetic, mechanical, electrical, potential, or sound
200
Do eyeglasses reflect or refract light?
Reflect
200
What are the three types of matter?
Solids, liquids, gases
200
What is volume?
How loud or soft a sound is
300
Give an example of sound energy.
tv, radio, humans make sound, etc.
300
What is a sound wave?
A disturbance that carries energy from one point to another point
300
Why does an orange look orange?
An orange absorbs all colors of light except orange, which it reflects.
300
How does sound move?
Sound travels through waves.
300
What is pitch?
How high or low a sound is
400
What is the energy of motion called?
Kinetic Energy
400
What affects the size of the wave?
The amount of energy it carries.
400
What word is a synonym for refract?
Bend
400
Which kind of matter does sound move through most quickly?
Solids
400
What does vibrate mean?
To move back and forth quickly
500
How does a snowboarder's energy change from potential energy to kinetic energy?
When the snowboarder is standing on top of a hill, he/she has potential energy because they aren't moving. When the snowboarder takes off down the hill, they have kinetic energy because they are moving.
500
Name the four parts of a sound wave.
wavelength, crest, trough, midpoint
500
What do you call a dark area formed when an object blocks sunlight?
Shadow
500
Why can you hear sounds from a distance?
Sound moves through matter all around you.
500
Use the words loud and soft to compare the sounds of a bicycle to a large truck.
Both a bicycle and a truck make sounds. A bicycle makes soft sounds and a large truck makes loud sounds.