Science

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Lewis Howard Latimer

This lesson looks at the work of Lewis Howard Latimer and his invention of the carbon filament light bulb. We will also compare different light bulbs and write analytically

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Select the correct equation for ohm's law (where 'x' represents multiply and '/' represents divide).

1/6

Q2.A bulb has a current of 3.2 A and a resistance of 4 Ω. What is the potential difference? Give your answer to 2 significant figures

2/6

Q3.Select the factors that INCREASE resistance in a wire (Tick 3 boxes)

Select three (3) boxes

3/6

Q4.A student wants to measure how temperature affects resistance of a wire. Identify the independent variable.

4/6

Q5.A student wants to measure how temperature affects resistance of a wire. Identify the dependent variable.

5/6

Q6.A student wants to measure how temperature affects resistance of a wire. Identify a control variable.

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Select the correct equation for ohm's law (where 'x' represents multiply and '/' represents divide).

1/6

Q2.A bulb has a current of 3.2 A and a resistance of 4 Ω. What is the potential difference? Give your answer to 2 significant figures

2/6

Q3.Select the factors that INCREASE resistance in a wire (Tick 3 boxes)

Select three (3) boxes

3/6

Q4.A student wants to measure how temperature affects resistance of a wire. Identify the independent variable.

4/6

Q5.A student wants to measure how temperature affects resistance of a wire. Identify the dependent variable.

5/6

Q6.A student wants to measure how temperature affects resistance of a wire. Identify a control variable.

6/6

Video

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Worksheet

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These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Lewis Howard Latimer

This will assess your understanding of the knowledge gained in this lesson so far and your prior knowledge.

Q1.What is circuit component is represented by circuit symbol A?

1/11

Q2.What is circuit component is represented by circuit symbol B?

2/11

Q3.What is circuit component is represented by circuit symbol C?

3/11

Q4.What is circuit component is represented by circuit symbol D?

4/11

Q5.What is circuit component is represented by circuit symbol E?

5/11

Q6.What is circuit component is represented by circuit symbol F?

6/11

Q7.What is circuit component is represented by circuit symbol G?

7/11

Q8.Select the correct statements about series and parallel circuits below (tick 4 boxes)

Select four (4) boxes

8/11

Q9.What is Lewis Howard Latimer most famous for inventing?

9/11

Q10.Why was Latimer's carbon filament bulb better than Edison's paper filament bulb?

10/11

Q11.Select the advantages of LED bulbs over filament bulbs (tick 2 boxes)

Select two (2) boxes

11/11

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Lewis Howard Latimer

This will assess your understanding of the knowledge gained in this lesson so far and your prior knowledge.

Q1.What is circuit component is represented by circuit symbol A?

1/11

Q2.What is circuit component is represented by circuit symbol B?

2/11

Q3.What is circuit component is represented by circuit symbol C?

3/11

Q4.What is circuit component is represented by circuit symbol D?

4/11

Q5.What is circuit component is represented by circuit symbol E?

5/11

Q6.What is circuit component is represented by circuit symbol F?

6/11

Q7.What is circuit component is represented by circuit symbol G?

7/11

Q8.Select the correct statements about series and parallel circuits below (tick 4 boxes)

Select four (4) boxes

8/11

Q9.What is Lewis Howard Latimer most famous for inventing?

9/11

Q10.Why was Latimer's carbon filament bulb better than Edison's paper filament bulb?

10/11

Q11.Select the advantages of LED bulbs over filament bulbs (tick 2 boxes)

Select two (2) boxes

11/11

Lesson summary: Lewis Howard Latimer

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Electricity and magnetism
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Static electricity

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