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Temperature

  • Temperature is the measure of how hot or cold something is. �
  • We measure temperature using a thermometer. It is important we measure temperature carefully and accurately.

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Different Types of Temperature

  • We can measure our own body temperature using a thermometer, which is important if we are feeling unwell. Average body temperature is around 37°C.
  • We can measure the air temperature. This can help us prepare for certain temperatures and wear the correct items of clothing.
  • We can change the temperature of some appliances, such as an oven for cooking and a fridge for keeping food cool.

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Units of Temperature

We can measure temperature using standard units of measure – degrees Celsius. 

�This is written as °C.

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Units of Temperature

We can measure temperature using standard units of measure – degrees Celsius. 

�This is written as °C.

o

c

degrees

Celsius

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Reading Temperature

This thermometer increases in intervals of 10°C.

°C

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Reading Temperature

This thermometer increases in intervals of 10°C.

The freezing point of water is 0°C.

°C

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Reading Temperature

This thermometer increases in intervals of 10°C.

The boiling point of water is 100°C.

°C

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Reading Temperature

This is an oven thermometer.

It shows the temperature an oven can be set at to cook food. �The oven temperature scale increases in 50°C intervals.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

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Reading Temperature

This is an oven thermometer.

It shows the temperature an oven can be set at to cook food. �The oven temperature scale increases in 50°C intervals.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

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Reading Temperature

This is an oven thermometer.

It shows the temperature an oven can be set at to cook food. �The oven temperature scale increases in 50°C intervals.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

220⁰C

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Reading Temperature

This is an oven thermometer.

It shows the temperature an oven can be set at to cook food. �The oven temperature scale increases in 50°C intervals.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

Which is the lowest temperature?

220⁰C

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Reading Temperature

This is an oven thermometer.

It shows the temperature an oven can be set at to cook food. �The oven temperature scale increases in 50°C intervals.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

Which is the lowest temperature?

220⁰C

50⁰C

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Reading Temperature

This is a thermometer to check body temperature. The scale increases in intervals of 1°C each time.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

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Reading Temperature

This is a thermometer to check body temperature. The scale increases in intervals of 1°C each time.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

35⁰C

42⁰C

40⁰C

37⁰C

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Reading Temperature

This is a thermometer to check body temperature. The scale increases in intervals of 1°C each time.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

35⁰C

42⁰C

40⁰C

37⁰C

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Reading Temperature

This is a thermometer to check body temperature. The scale increases in intervals of 1°C each time.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

42⁰C

35⁰C

42⁰C

40⁰C

37⁰C

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Reading Temperature

This is a thermometer to check body temperature. The scale increases in intervals of 1°C each time.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

Which is the lowest temperature?

42⁰C

35⁰C

42⁰C

40⁰C

37⁰C

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Reading Temperature

This is a thermometer to check body temperature. The scale increases in intervals of 1°C each time.

Look at the scale closely - can you read the temperatures shown?

A

B

C

D

Which is the highest temperature?

Which is the lowest temperature?

42⁰C

35⁰C

35⁰C

42⁰C

40⁰C

37⁰C

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Comparing Temperature

We can compare temperatures over time.

This table shows the average daily temperature in London over the course of a year.

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Month

​

1

January

5°C

2

February

6°C

3

March

9°C

4

April

11°C

5

May

14°C

6

June

17°C

7

July

20°C

8

August

19°C

9

September

14°C

10

October

13°C

11

November

7°C

12

December

4°C

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Which month has the highest temperature?  

�Which month has the lowest temperature?

 �What is the highest temperature?

�What is the lowest temperature? 

�What is the difference in the highest and �lowest temperature? �In what month was the temperature 9°C? 

 �In what month was the temperature 14°C? 

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Which month has the highest temperature?  

�Which month has the lowest temperature?

 �What is the highest temperature?

�What is the lowest temperature? 

�What is the difference in the highest and �lowest temperature? �In what month was the temperature 9°C? 

 �In what month was the temperature 14°C? 

July

December

20°C

4 °C

16 °C

March

May

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Why do I need to know this?

Reading Scales

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Reading Scales

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10

20

30

40

60

70

80

90

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10

20

30

40

60

70

80

90

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60

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Whiteboards

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5 cm

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5 cm

5.3 cm

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Whiteboards

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5.3 + 2.8 = 8.1 cm

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5

Whiteboards

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+5

+1

+2

+3

+4

5

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165

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Whiteboards

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