Light Energy

Light always travels in a...

• Curved line
• Zig Zag line
• Up and down
• Straight line

When light passes through a prism it?

• Bounces back
• Reflects
• Refracts
• Absorbs

Tags

NGSS.MS-PS4-2

Materials that do not let any light pass through them

• opaque
• translucent
• transparent
• reflection

Tags

NGSS.MS-PS4-2

Translucent objects let __________ through.

• almost all light
• no light
• some light
• bright

Tags

NGSS.MS-PS4-2

What object can change electrical energy into light energy?

• A candle
• A fire
• A lamp
• A radio

The name for the range of electromagnetic waves placed in order of increasing frequency is...

• Electromagnetic Spectrum

• Electromagnesis

• Visible light spectrum

• The range of light

Tags

NGSS.HS-PS4-3

Which of the following is not in the electromagnetic spectrum?

• Light waves

• Sound waves

• Radio Waves

• X-rays

Tags

NGSS.MS-PS4-1

Which color has the longest wavelength?

• Yellow

• Red

• Green

• Purple

Tags

NGSS.HS-PS4-1

In which list are forms of electromagnetic energy arranged in order from longest to shortest wavelength?

• Microwave -> Radio wave -> Infrared rays

• Visible light -> x-ray -> radio wave

• Microwave -> infrared -> visibile light

• Infrared -> radio wave -> ultraviolet

Tags

NGSS.HS-PS4-1

Why do dentists put lead aprons over patients' bodies when taking X-rays?

• To focus the X-ray

• To prevent the patient from moving too much

• To prevent harmful exposure to X-rays

• To prevent taking pictures of other parts of the body

Tags

NGSS.HS-PS4-4