Light Energy and the Electromagnetic Spectrumec

Presentation

•

Science

•

7th Grade

•

Hard

•

NGSS.MS-PS4-2, NGSS.HS-PS4-1, TEKS.SCI.6.8C

Standards-aligned

A. Bleecher

FREE Resource

4 Slides • 15 Questions

Multiple Choice

The angle between an incoming ray (of light, sound, or other waves) and the normal, which is an imaginary line perpendicular (at 90°) to the surface at the point where the ray hits.

angle of incidence

angle of reflection

angle of refraction

none of these

Multiple Choice

What is the Law of Reflection?

The angle of incidence equals the angle of reflection

The angle of incidence is always greater than the angle of reflection

The angle of incidence is always less than the angle of reflection

The angle of incidence and reflection are unrelated

Drag and Drop

A mirror can

light, but not

it. A black jacket will

a lot of the light that hits it.

Drag these tiles and drop them in the correct blank above

reflect

refract

absorb

Multiple Choice

A ray of light is incident on a vertical, mirrored surface such that it forms an angle of 30-degrees with the surface. Which is the angle of reflection?

30-degrees

60-degrees

90-degrees

150-degrees

Multiple Choice

Which diagram represents diffuse reflection?

Reorder

Reorder the following from shortest wavelength to the longest wavelength.

gamma waves

x-rays

ultraviolet waves

visible light

infrared rays

Fill in the Blanks

What type of electromagnetic wave lies just outside the visible spectrum, with a wavelength less than that of violet:

Type answer...

Multiple Choice

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

Gamma Rays

Radio Waves

Visible Light

Infrared rays

Multiple Choice

Which radiation type has the highest energy?

gamma rays

x rays

microwaves

radio waves

Multiple Choice

What type of wave is shown in the picture?

Surface

Transverse

Longitudinal

Multiple Choice

This type of object lets some light through, but not all. It is not easy to see through this type of material.

transparent

translucent

co-parent

opaque

Labeling

Label the wave.

Drag labels to their correct position on the image

Compression

Rarefaction

Multiple Choice

What is the main difference between transverse and longitudinal waves?

Transverse waves travel faster than longitudinal waves.

Transverse waves move perpendicular to the direction of energy transfer, while longitudinal waves move parallel.

Longitudinal waves can travel through a vacuum, but transverse waves cannot.

Longitudinal waves have higher frequencies than transverse waves.

Multiple Choice

In longitudinal waves, how do particles vibrate?

In a random pattern

At 90 degrees to the wave direction

In a circular motion

Parallel to the wave direction

Multiple Choice

Which part of a longitudinal wave is where particles are packed closely together?

compression

rarefaction

crest

amplitude

Show answer

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