Energy
Where does geothermal energy come from?
Earth
When an object is warmed, what happens to the particles inside the object?
they move more quickly and have more energy
what happens to light when it hits a mirror?
it reflects
Renewable resources are resources that can not be renewed? T/F
False
If you are trying to build a circuit and you have a wire attached to a light bulb and a battery. What is missing?
another wire
Energy from running water is used to generate what kind of electricity?
Hydroelectricity
how does heat travel through empty space with no matter to carry it?
radiation
What is the bending of light as it travels through matter called?
refraction
Non Renewable resources are resouces that can't be renewed? T/F
True
what tool measures temperature?
thermometer
Solar energy is an alternative that comes from?
the sun
How does heat get to the earth
Radiation
what is an object that lets all light pass though called?
transparent
Name 5 renewable resources
plants, animals, water, wind, sun
What material ( wood, aluminum or plastic) is aan excellent thermal conductor because it conducts heat easily.
aluminum
Suppose you turn on a fan. Which energy conversion happens inside the electric motor?
electrical to motion
How does light energy benefit tropical fish tank. Which sentences best explain how the light keeps the fish warm?
Select all that apply.
A. The light transfers heat energy to the water
B. The light makes it easier to see in the tank
C. The light helps keep the tank clean for the fish
D. The light's energy provides food for plants i n the tank
É. The light's energy increases the temperature of the water
A The light transfers heat energy to the water
D. The light's energy provides food for plants i n the tank
Which of the following are renewable resources? Select all that apply.
Fossil fuels
Hydroelectricity
Wind energy
Copper
Hydroelectricity
Wind energy
How can someone feel sound if they can't hear?
The energy is transferred to the body through sound
The path along which electrical current flows is called a(n)
a circuit
What states of matter carry heat by convection?
liquid and gas
Which of the following is an example what dam produces?
Fossil Fuels
Hydroelectricity
Wind Energy
Copper
Hydroelectricity
Wind energy produces what kind of energy?
Electrical
A pom-pom launcher
A. Transfers kinetic energy t o thermal energy
B Transforms kinetic energy t o sound energy
C. Transforms stored energy to energy of motion
D. Transfers energy of motion t o stored energy
Transforms stored energy to energy of motion