Motion/Sound
Which object has the most energy and why?
A. the walker, because her speed is the slowest
B. the football, because its mass is very low
C. the train, because its speed and mass are the greatest
D. the bus, because its speed and mass are the least
C. the train, because its speed and mass are the greatest
When does a car have the most energy in motion?
A. when it is parked
B. when it is slowly coasting down a hill
C. when it is being pushed to a gas station
D. when it is being driven fast on the highway
D. when it is being driven fast on the highway
Which is an example of energy moving an object from place to place?
A. milk in a glass
B. a batter ready to swing a bat
C. a soccer player ready to kick the ball
D. wind blowing a feather
D. wind blowing a feather
A circuit has a switch, a battery, and a bulb. When the switch is closed, the light turns on. What type of energy moves through the wires of this closed circuit?
Electrical
Which of these uses electrical current to move energy from place to place?
A. a microwave
B. a forest fire
C. a baseball bat
D. a volcano
A. a microwave
Mrs. Fox catches a ball thrown to her by the gym teacher. What happens to some of ball's energy when the ball hits Mrs. Fox's hand
It changes to sound
Which of the following can move energy from place to place?
A. sound
B. a moving baseball
C. electric currents
D. all of the above
D. all of the above
What transfers energy from the sun through space?
Light
What is a good example of something that stores energy and then changes it into electrical energy. (Stored Energy)
Gavin sits by the sunny window. He notices that is black sweater is getting warm to the touch. What can Gavin conclude from his observation?
Light can transfer energy to objects and heat them
What happens when a hockey player hits the puck toward the goal with his stick?
The pucks energy of motion changed
Grace like to jump on her pogo stick. She noticed that every time her pogo stick hits the ground it makes a loud noise. Why does this happen?
Some of the energy from the pogo stick is transformed into sound when the pogo stick hits the black top.
Ben packed a flashlight to use on his camping trip. In terms of energy, what will the flashlight help him do?
It will change chemical energy to light
A hiker adds a log to his fire. What kinds of energy are produced when the log burns?
Light, thermal energy and sound
When you ride a ferris wheel, it uses energy transferred through electrical current. What type of energy is produced to make the ride move?
Energy of motion
How do wind turbines work?
They transform their energy of motion into electrical energy
Nick spilled some pepper on the counter. He pounded his fist on the counter and the grains of pepper moved. Why did the pepper move?
Vibrations made by Nick's pounding transferred energy to the pepper.
Luke throws a ball. Gibby catches the ball. Gibby throws the ball to Jenny. Describes what happens to the ball as it moves?
It changes speed and motion
Olivia plays electric guitar. She uses an amplifier to make the guitar louder. How is energy transformed as she plays?
Electric energy is changed into sound energy
When you turn on a ceiling fan, what happens to the electrical energy?
Some of the electric energy changes to energy of motion
What happens when two moving objects of different sizes collide and move apart?
Both of the objects lose some of its energy
A ball is sitting on the ground. Lisa runs up and kicks the ball. How does the energy change when Lisa kicks the ball.
The ball gains most of the energy of motion
Josh called his pet rabbit. Josh could tell the rabbit was coming because he could hear the rabbits ears flapping. Why did the ears make noise?
The ears caused the air around them to vibrate.
Sue turns on her hair dryer. The electrical energy makes a fan spin and heating elements glow. What energy transformations have occurred?
Electrical energy changed to thermal energy, energy of motion, light energy, and sound energy.
When I plug in my computer to changer, I notice that the charger gets warm. Why does this happen?
Some of the electrical energy changed to thermal energy