This is the ability to do work or cause a change.
What is energy?
This tells how fast an object is moving.
What is speed?
This happens when two objects bump into each other.
What is a collision?
To move energy from one object or place to another is to do this.
What is transfer?
This is a form of energy that can power many devices.
What is electrical energy?
This is the energy of motion.
What is kinetic energy?
Two characteristics scientists can use to describe an object's motion are speed and this.
What is direction?
When a moving ball hits a stationary ball, energy can be transferred from the moving ball to this object.
What is the stationary ball?
When you rub your hands together, motion energy can change into this form of energy.
What is thermal energy?
A battery stores this type of energy.
What is chemical energy?
This is stored energy caused by an object's position or shape.
What is potential energy?
A toy car travels 10 meters in 2 seconds. Which car is moving faster: this car or one that travels 10 meters in 5 seconds?
What is the car traveling 10 meters in 2 seconds?
A moving skateboard hits a wall and stops. What happened to some of its kinetic energy?
What is it was transferred or changed into other forms of energy?
This type of energy is associated with heat.
What is thermal energy?
A complete path through which electric current can flow is called this.
What is an electric circuit?
A ball sitting at the top of a hill has mostly this type of energy.
What is potential energy?
If you increase the speed of a moving object, its kinetic energy generally does this.
What is increase?
You hear a loud sound when two objects crash. The sound is evidence that this happened.
What is an energy change?
A flashlight changes chemical energy stored in its battery into electrical energy and then into this energy that you can see.
What is light energy?
Materials that allow electricity to flow easily are called these.
What are conductors?
When energy changes from one form into another, this process has occurred.
What is an energy transformation?
Two identical toy cars are moving. One is moving twice as fast. Which car has more kinetic energy?
What is the faster car?
Why might a car's safety features help protect passengers during a collision?
A student pedals a bike connected to a generator. Describe one possible energy transformation.
What is mechanical/kinetic energy → electrical energy?
A material that does not allow electricity to flow easily is called this.