Unit 2 Energy, Circuits and Light Energy Test Review

Light Energy travels in a straight line.

• True

• False

Tags

NGSS.MS-PS4-2

When using a solar panels, what source of energy is being used to power the panels?

• Mechanical Energy

• Sound Energy

• Electrical Energy

• Light Energy

When water is being moved through a dam to power up a certain area, what form of energy is being used to produce power?

• Sound

• Mechanical

• Thermal

• Electrical

Tags

NGSS.MS-PS3-4

The teacher mixes white powder into water. The white powder cannot be seen in the water, so the teacher evaporates the water to allow the powder to be seen again. What property of the powder is the teacher demonstrating?

• Matter

• Solubility

• Magnetism

• Conductivity

Tags

NGSS.MS-PS1-2

Two wires creating electricity could spark a fire if put too close together. Why would plastic keep electricity from starting a fire?

• Plastic is a great insulator

• Plastic is an amazing conductor

• Plastic doesn't keep electricity from starting a fire.

• Plastic can melt when heated.

If a laser struck a mirror going straight at the mirror, what direction will the laser REFLECT back?

• Diagonally (Going down at an angle)

• Vertically (Going up)

• Straight back

• Absorbed in the mirror

Tags

NGSS.MS-PS4-2

Which of these best demonstrates refraction?

• 
• 
• 
• 

Windmills use moving air to turn their blades. What form of energy is being used during this?

• Mechanical Energy

• Sound Energy

• Solar Energy

• Hydroelectric Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

the path through which an electric current can flow

• open circuit
• closed circuit
• parallel circuit
• series circuit

the bending of light when it passes though a medium, such as water or a prism

• reflection
• refraction
• absorbtion
• medium

Tags

NGSS.MS-PS4-2