Energy & Electricity
What is stored energy called?
Potential Energy
What is the center star of our Solar System?
The Sun
What is it called when light bounces off a surface?
Reflection
Sound cannot travel through this.
Empty space / vacuum
What are the top and bottom parts of a wave called?
Crest (top) and Trough (bottom)
What is energy of motion called?
Kinetic Energy
Which planet is called the “Red Planet”?
Mars
What is it called when light bends when passing through different materials?
Refraction
What is it called when sound waves bounce back?
Echo
What is thermal energy?
Energy created by the movement of tiny particles in matter
What type of electricity is a buildup of charges on an object?
Static Electricity
What force keeps planets in orbit around the Sun?
Gravity
Glass is transparent, frosted glass is translucent, and a book is what?
Opaque
Sound travels fastest through which state of matter?
Solids
What are the three main states of matter?
Solid, Liquid, Gas
Materials that allow electricity to flow easily are called what?
Conductors
Name the three stars that make the Summer Triangle.
Vega, Deneb, Altair
What does a prism do to white light?
Breaks it into a rainbow (spectrum)
What effect makes a siren sound higher as it comes toward you?
Doppler Effect
Dark colors absorb light and feel hot. Light colors do what with light?
Reflect it
What must be true for electricity to flow in a circuit?
The circuit must be closed
List the planets in order from the Sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Name the colors of the visible spectrum in order.
Red, Orange, Yellow, Green, Blue, Indigo, Violet
Why can you hear someone talking through a wall better than you can see them?
Sound travels around corners better than light does (or: Sound waves can bend around obstacles more easily than light waves)
What happens to energy according to the law of conservation of energy?
It cannot be created or destroyed, only transformed