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Distance , displacement and time
KEy question:
KEy question:
What is my displacement if I run 400m on a running track?
What is my displacement if I run 400m on a running track?
Task 1 - Intro
Task 1 - Intro
Watch the introduction video, and use it to help you to answer the questions in task 1 on the companion sheet.
Task 2 - Activate
Task 2 - Activate
Have a look at this wiggly line.
How long do you think it is?
How would how try to find out? Could you do it with a ruler? Could you use a long tape measure or even a piece of string?
Why couldn't you use the odometer on a car to work it out?
Do you need any further information?
Complete task 2 in the companion sheet
Distance
Distance
This is the name we give to the amount of space between 2 objects. This could be a very large distance which we would give in Kilometres, or a small distance that we would give centimetres or millimetres. The Units that we would use to describe a distance depends upon the distance itself.
This is the name we give to the amount of space between 2 objects. This could be a very large distance which we would give in Kilometres, or a small distance that we would give centimetres or millimetres. The Units that we would use to describe a distance depends upon the distance itself.
Example:
The distance to the moon is 38,440,000,000 centimetres.
The distance to the moon is 384,400 Kilometres
OR
The distance between the teeth of a comb is 0.8 millimetres
The distance between the teeth of a comb is 0.0000008 Kilometres
Task 3 - Mini investigation
Task 3 - Mini investigation
Using your ruler follow the instruction for the mini practical on the companion sheet.
Task 4 - Imperial or metriC?
Task 4 - Imperial or metriC?
Click on the BBC bite-size pay below on metric and imperial measurements.
Watch the video, read the text and then drag/drop the badges to complete the interactive task.
Once you have done this fill in the blanks on task 4 of the companion sheet
Task 5 - COnversion
Task 5 - COnversion
The main reason the metric system is so good is because we can easily change between units. This is called conversion.
Have a look at the infographic below and use it to help you answer the questions in your companion sheet
Task 6 - Estimation
Task 6 - Estimation
How tall is Mr Higgins? is he about 1m, 2m or 3m tall?
How tall is Mr Higgins? is he about 1m, 2m or 3m tall?
A good skill to have is being able to estimate things - this is a reasonable suggestion of a value based available information. It doesn't need to be super accurate but does need to be an 'in the right ball park' figure.
So, Mr Higgins' height?
Well, a table is about a metre tall so he's taller than that.......An elephant is 3 metres tall and hes smaller than that.......if you put 2 x 1 metre rulers together he's about as tall as that.
So you could estimate that Mr Higgins is about 2m tall.
He's actually 182cm or 1.82m tall.
Task: estimate the values of the world records in task 6 companion sheet.
Task 7 - Time
Task 7 - Time
What is the SI unit for time?
Answer the questions on the companion sheet
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