Year 5 Science Revision

It is a type of seed that dispersed by animals. If there is no structure S on the seed, what will happen to the seed?

• Grow in the same place

• Live healthily

• More competition to get the basic need

• Less competition with the parent plant to get the basic need

Which of the following explains the changes of energy occurred to light the road.

• Electrical energy --> Light energy + Heat energy

• Solar energy --> Electrical energy --> Light energy + Heat energy

• Solar energy --> Light energy + Heat energy

• Electrical energy --> Solar energy --> Light energy

Why does the animals live as in the diagram?

• Can protect them easily

• To prevent competition to get water source

• Can build shelther quickly

• To overcome the limited food sources

What is the scientific principle used in thermometer?

• Light travels in straight line.

• Materials expand when heated and contract when cooled.

• Energy has shape transformation.

• Liquid has a fixed volume.

Diagram shows an animal that breathes through a certain breathing organ.

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Which of the following fruits disperses its seeds through explosive mechanism?

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Which of the following animals live in group?

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What is the factor that affects the shadow shape of the object?

• Position of light source

• Object orientation

• Type of object

• Shape of object

What are the tools that use the simple machine?

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Which bulb will light up if bulb P fused?

• Bulb Q

• Bulb Q and R

• Bulb S and R

• Bulb Q, R and S