Science Ch. 17

Lesson 1 – The Electromagnetic Spectrum

A(n) _____________________________ is made up of electric and magnetic fields.

Radio waves and gamma waves are part of the _________________________________.

Which type of electromagnetic radiation carries the least energy?

• Radio waves

A light bulb with a filament is called a what?

• Incandescent light source

A(n) _______________________ lamps emits light by exciting gases.

Eggshells and ivory are examples of material that are?

• phosphorescent

A(n) ______________________ produces a narrow beam of

light of one color

Laser light is ________________ ?

• Coherent

Science Ch. 17

Lesson 2 – Light & Matter

A(n) _______________ material scatters the light rays that it lets

through.

Opaque Material Translucent Material Transparent Material

Your handA wallA stained glassWindow glassRed tinted plastic

A piece of notebook paperFrosted window glassPlane mirrorA black car

Aluminum foilA ream of notebook paper

_____________ occurs when light bounces off the surface of

an object.

A(n) _____________________ mirror curves outward and spreads light rays apart.

Kyle tested different mirrors for the fun house he was designing. Kyle decided to

use three different mirrors – one that did not distort objects, one that made objects look

taller, and one that made objects look much smaller. What can you infer about these

mirrors? 10 pts

A mirror not curved does not distort objects.

A concave mirror makes objects taller.

A convex mirror makes objects smaller.

The colors of the rainbow make up the _____________________________.

The color of the object that you see is the wavelengths of light

________ by that object.

• Reflected

A red apple appears red because it?

• Reflects only red wavelengths

Definitions for test

• Opaque

• Transparent

• Refraction

• Lens

• Visible spectrum