1

Temperature

2

The temperature of the air greatly affects the weather

3

Vocabulary:

temperature

A measure of how hot or cold something is

4

Energy from the sun travels through the atmosphere to

Earth

About half of the sun’s energy hits the surface of Earth

Some of the energy warms Earth’s surface

5

Part of the sun’s energy is reflected by clouds and dust in

the air

6

Heat from Earth’s surface warms the atmosphere around

it

7

Temperature is measured in degrees using a thermometer

Vocabulary:

degrees

A unit for measuring temperature

8

The higher the number of degrees

the warmer the atmosphere

9

Two scales of degrees are used on thermometers to measure

temperature

10

One is the Celsius scale

Based on 00 as melting pointand

1000 as boiling point

Anders Celsius

The other is the Fahrenheit scale

11

Gabriel Fahrenheit

12

On a very hot day, the temperature

may reach close to 100 degrees Fahrenheit

This would be about 38 degrees Celsius

This would be 0 degrees Celsius13

Water freezes at 32 degrees Fahrenheit

14

Average room temperature is 72 degrees Fahrenheit

C = (F - 32) · 5/9

15

So 72 degrees can also be written as 720

In place of the word “degree”, you can draw a small circle

Type a zero then highlight

Click on “format” “font” “superscript”