Primary Science Stage 3 - Unit 5 - Revision

Bao Ann investigates the downward pulling force on different objects. Write down the name of the equipment used to measure force.

• 
• 
• 

Bao Anh investigates the downward pulling force on different objects. The result for the banana is missing. Write down the result for the banana in the table.

• 5

• 6

• 7

• 8

Bao Anh investigates the downward pulling force on different objects. What unit of measurement is represented by (N)?

• Newton

• Joule

• Watt

• Pascal

Bao Anh investigates the downward pulling force on different objects. Complete the number sentence below. Bag = banana + shoe.

• Bag = 7 + 3

• Bag = 5 + 5

• Bag = 6 + 4

• Bag = 8 + 2

Draw a chart to show Bao Anhs results. What chart can we use?

• A bar chart is drawn to show her results.

• A line graph is drawn to show her results.

• A pie chart is drawn to show her results.

• A scatter plot is drawn to show her results.

Why are Tien's results different when using apples instead of a forcemeter to measure force?

• Apples are of different size/weight.

• Apples are more accurate.

• Forcemeter is less reliable.

• Apples are easier to use.

Why is it better to use forcemeter than apples to measure force?

• Forcemeter uses standard units in newton.

• Forcemeter uses standard units in apples.

1. Andy drew a picture of Hubble Space Telescope moving around the Earth. What force is pulling on the space telescope?

• Magnetic force

• Gravitational force

• Electromagnetic force

• Nuclear force

Bao Ngoc has four objects. She dropped them 5 meters above the ground and timed their fall. She wants to measure the time it takes to reach the ground.
Click the correct equipment she needs to measure time.

• Graduated Cylinder

• Spring Scale

• Thermometer

• Stopwatch

Bao Ngoc has four objects shown. She dropped them 5 meters above the ground and timed their fall. Was her prediction correct? Why?

• Yes, because the paper plane took the longest time to fall.

• No, because the ball took the longest time to fall.

• Yes, because all objects fell at the same rate.

• No, because the feather took the shortest time to fall.