Vocab
Energy that travels from its source through space in waves; the only form of energy we can see
Light Energy
There are two kinds of ___________ energy; potential energy and Kinetic energy.
Mechanical
A toy oven uses a lightbulb to bake small cakes.
What types of energy does the toy oven use to bake the cakes?
A) Electrical and thermal
B) Mechanical and electrical
C) Thermal and mechanical
D) Light and Sound
A) Electrical and thermal
Name the energy:
Hammering a nail
Mechanical Energy
The flow of electric charge
Electrical Energy
Transmission lines transfer ___________ energy from power stations to substations, smaller lines then take power to your home.
Electrical
Which object requires only mechanical energy to perform its main function?
A) Hammer
B) Fan
C) Thermometer
D) Iron
A) Hammer
Name the energy:
A skier at the top of a hill
Potential Energy
The energy an object has due to its position
Potential Energy
When an object ___________, it creates waves of energy that move through the air.
Vibrates
Examples of objects that use different types of energy to perform their functions are listed below:
Example 1- Wind Turbines spinning
Example 2- Campfire burning
Example 3- Hammer hitting a nail
Example 4- Wrecking ball breaking down a building
Which examples use mechanical energy to perform their functions?
A) Examples 1,2, and 4
B) Examples 1,3, and 4
C) Examples 1 and 2 only
D) Examples 3 and 4 only
B) Examples 1,3, and 4
Name the energy:
Charging your cell phone
Electrical Energy
Heat Energy that you can feel
Thermal Energy
Sounds cannot travel through _______ space, they must travel through a substance.
Empty
Both falcons and bats hunt for their food. Falcons use mainly their eyes and bats use mainly their ears to locate prey.
Which form of energy does each predator mainly use for locating their prey?
A) Bat- light
Falcon- thermal
B) Bat- Sound
Falcon- light
C) Bat- Solar
Falcon- sound
D) Bat- thermal
Falcon- electrical
B) Bat- sound
Falcon- light
Name the Energy:
The pop of a balloon
Sound Energy
The energy an object has due to its motion.
Kinetic Energy
Rivers, __________, ocean tides and wind contain mechanical energy.
Waterfalls
A student recorded the time it took for all the water in a puddle on a sidewalk to evaporate after a rain. Which kind of energy causes water to evaporate?
A) Light energy from streetlights
B) Sound energy from the environment
C) Thermal energy from the environment
D) Mechanical energy from nearby streets
C) Thermal energy from the environment
Name the Energy:
Cooking on a stove
Thermal Energy