Materials that block the flow of electricity
Examples include:
Glass
Plastic
Rubber
100
Motion
Moving something from one place to another
100
2. Which form of energy cooks food in a solar cooker?
C. Thermal Energy
100
When are science experiments due?
November 16th
200
Potential Energy
Stored energy
200
Conductor
Made of materials which energy can easily flow through
Examples include:
Wire
Copper
Gold
200
What is gravity?
A force that pulls everything to the center of the Earth.
200
1. Which of these changes to the electric circuit shown above will cause the lightbulb to light up?
C. Turning one battery so that its positive end connects to the other battery's negative end
200
Reflection
Light bounces off of a surface
300
Light Energy
Form of energy that travels in waves, visible with the eye
300
Closed Circuit
A circuit without interruption, providing a continuous path through which a current can flow. An Example would include a light switch when the light is turned on.
300
Who was the first man to discover gravity?
Sir Isaac Newton
300
5. Which energy transformation occurs when an electrical fan is turned on?
B. Electrical energy into mechanical energy
300
Refracted Light
Light appears to bend
400
Sound Energy
Form of energy produced by vibrating objects
400
Open Circuit
A discontinuous circuit through which no current can flow.
400
Friction
A force created by two objects rubbing together against each other that slows or stops motion
400
3. Which of the following terms identifies a cause of a change in motion?
D. Unbalanced Forces
400
9. Which circuit will cause the light bulb to glow?
B.
500
Thermal Energy
Form of energy that produces heat
500
Send one teammate to the board to dry and explain a closed circuit. The student must identify the conductor, insulator and power source.
Students answers may vary.
500
Unbalanced forces
An unbalanced force acting on an object changes its speed and/or direction of motion
500
4. Which sentence best expresses how light travels in the illustration below?
C. Light waves travel in straight lines in all directions
500
14. Which of the following statements expresses the information in the diagram?
B. The original angle and the reflected angle of light are equal