Forms of Energy
This energy uses gasoline in a car to make it move.
Chemical
Lamar plugs a lamp into a wall. Electricity goes from the outlet, through the cord, and to the light bulb. Which choice best describes the cord?
A) conductor
B) current
C)insulator
D) resistor
A: Conductor
When a car goes from nothing to starting what energy is transferring?
potential to kinetic
What does energy mean?
Property of matter that makes something work.
Which car was moving at the fastest speed?
A) a car that traveled 96 km in 2 hours
B) a bus that traveled 160 km in 5 hours
C) a bike that traveled 64 km in 4 hours
D) a truck that traveled 320 km in 5 hours.
D) A truck that traveled 320 km in 5 hours.
This energy is has particles that move faster or slower based on their temperature.
Thermal
A) heat moves from hot objects to cold ones.
B) Heat only moves by conduction
C) heat increases as objects become colder.
D) heat is the temperature of an object
A: Heat moves from hot objects to cold ones.
electrical to thermal
What does conductor mean?
a force that allows an electric current to flow.
What determines the pitch of a sound?
A) the speed of charged particles
B) the size of the sound source
C) the speed of vibrating particles
D) the temperature of the source
C) the speed of vibrating particles.
This energy is allows us to hear things.
Sound
A student is asked to compare sound and light. Which statement should she use?
A) Sound and light are forms of electrical energy
B) Sound and light are forms of thermal energy
C) Sound and light are forms of potential energy
D) Sound and light are forms of energy
D) Sound and light are forms of energy
Bat is hitting a baseball and you hear the ball get hit by the bat. What energy is transferring here?
kinetic to sound energy
What does insulator mean?
a force that DOES NOT allow an electric current to flow.
Which is the ability to cause motion or create change?
A) conduction
B) energy
C) speed
D) temperature
B) energy
This energy allows things to move.
Kinetic
Which of the following would you expect to be a thermal conductor?
A) plastic
B) paper
C) metal
D) wood
C: Metal
The sun making a glass of cold water warm.
radiation to thermal
What does resistor mean?
A switch or force that turns on or off the electric current.
If a bat is swung and hits the ball and the bat breaks. What happens to the energy?
The energy is absorbed by the bat.
This energy is doing nothing.
Potential
What causes sound energy?
A) heated objects
B) Charged particles
C) light energy
D) vibrating objects
D) vibrating objects
A bowling ball is rolled down the lane, and hits the pins. What energy is transferring?
kinetic to potential to sound
What does collide mean?
When two things bump into each other.
True or False:
Energy cannot be made or destroyed
True