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2 years ago

SCIENCE) PLS HELP ITS URGENT NEED IT DON TODAY!!

English

1 answer:

vlabodo [156]2 years ago

8 0

Answer:

hope this helps:)

Explanation:

Page 1

Radio waves are used in wi-fi signals. This frequency has the lowest energy

Microwave waves are used in microwaves (wow that's a tongue twister - say that 5 times fast) to heat foods and liquids, which also are present in smartphones.

Infrared waves are used in night vision cameras and remote controls.

Visible light waves let us predict the weather through clouds.

UV waves are used in suntanning and killing bacteria.

X-rays are used to view fractured or broken bones. They can spot pneumonia and breast cancer as well!

Gamma waves kill cancerous cells and are used in oncology. This frequency has the highest energy.

Page 2

Violet light has the shortest wavelength

1. Reflection

2. Refraction

3. Absorption

Page 3 *i'm not 100% on these so take this sparingly*

1. Water

2. Glass

3. Air

Light travels slower

Sound travels slower

Page 4

105 is the least dense

50 is the densest

Page 5

A. Solid

B. Freezing - top

Melting - bottom

C. Liquid

D. Condensation - top

Vaporization - bottom

E. Gas

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