Cambridge Primary (1-6). Stage 3. Science. Workbook - Unit 5: Forces and magnets
Measure the force needed to pull each type of footwear. Complete the table.
| Type of footwear | Force needed to pull it |
|---|---|
| boot | ___ |
| shoe | ___ |
| trainer | ___ |
| sandal | ___ |

Look at the pictures in the Focus exercise, shown here.
Which type of footwear needed the biggest force to pull it?

Look at the pictures in the Focus exercise, shown here.
Which type of footwear needed the smallest force to pull it?

Look at the pictures in the Focus exercise, shown here.
How much more force was needed to pull the trainer than the sandal? Give your answer in N.

Look at the pictures in the Focus exercise, shown here.
Marcus says, “The shoe is easier to pull than the boot.” Is Marcus correct?

Yes
No
Draw lines to match these objects to their weight.
Weights: 1 N, 5 N, 10 N, 20 N, 50 N.
Objects: school bag, 3 bananas, apple, table, chair.

Draw arrows to show which way these footballs would fall. One has been done for you.

Which of these needs gravity? Tick (✓) the correct answer.
Picture: skiing downhill.

Uses gravity
Does not use gravity
Which of these needs gravity? Tick (✓) the correct answer.
Picture: listening to music.

Uses gravity
Does not use gravity
Which of these needs gravity? Tick (✓) the correct answer.
Picture: playing football.

Uses gravity
Does not use gravity
Which of these needs gravity? Tick (✓) the correct answer.
Picture: reading a book.

Uses gravity
Does not use gravity
Which of these needs gravity? Tick (✓) the correct answer.
Picture: juggling.

Uses gravity
Does not use gravity
Which of these needs gravity? Tick (✓) the correct answer.
Picture: pouring water.

Uses gravity
Does not use gravity
Tick (✓) to show whether this sentence is true or false.
Gravity pulls things towards the centre of the Earth.
True
False
Tick (✓) to show whether this sentence is true or false.
Down is the same direction everywhere on Earth.
True
False
Tick (✓) to show whether this sentence is true or false.
Weight is measured in grams or kilograms.
True
False
Tick (✓) to show whether this sentence is true or false.
Gravity makes objects have weight.
True
False
Tick (✓) to show whether this sentence is true or false.
Gravity pushes aeroplanes upwards.
True
False
Label these forces. Use these words: push, friction.

Label these forces. Use these words: pull, friction.
