Science Revision Y5 2

Why are many desert animals more active at night?

• It is drier

• It is cooler

• There is less danger

• There is less wind

Which is the correct order, from coldest to hottest?

• ice, water, steam

• ice, steam, water

• steam, ice, water

• steam,water,ice

Why does Alice see a sun in the lake?

• The sunlight warms that part of the lake.

• The sky spreads sunlight over the lake.

• The sunlight reflects off the lake water.

• Clouds reflect sunlight onto the lake.

Will the bulb light?

• Yes

• No

Betty has 2 magnets and 2 metal pins. She slides the magnets across the table until the pins are attracted to them.

She finds that magnet A attracts the pin from 15cm and magnet B from 10cm.

Steven says the magnets have the same strength. Is he correct?

• Yes

• No -magnet A is stronger

• No - magnet B is stronger

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A river flowing over a waterfall has a lot of energy.

Which of these is made from waterfall energy?

• hot water

• solar power

• electricity

• drinking water

The leaf shape in the rock comes from a plant that lived long ago.

About how long ago was the plant alive?

• one year

• one hundred years

• one thousand years

• one million years

Which force causes the boat to move?

• gravity

• wind

• friction

• magnetism

Which two objects produce their own light?

• candle and moon

• moon and mirror

• sun and candle

• mirror and sun