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Mid term science short question.
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What word can we use for things like sieves, magnets and other objects?
Equipment
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Why are the stems bent?
Because the plants are growing towards the sunlight.
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The stem shoot always grows upwards. Why is this?
Because that it will find light.
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What do you think a plant needs to grow?
A plant needs light, soil, water and warmth to grow.
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Name 2 solids that do not dissolve in water.
Sand ,Flour
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What word describes a solid that will not dissolve in a liquid?
Insoluble
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Glass is very good for making windows.Why is this?
Because it is very strong and clear.
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Why has the dentist put translucent glass in her window?
The dentist and her patients do not want people to see inside.
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What is a mixture?
Two or more materials are mixed together is called a mixture.
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What is a filter?
A filter has holes and some of the mixture can pass through.
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Why are shadows so long?
Because the sun is low in the sky.
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What do the plants make the gas?
Oxygen
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Why do the goggles need to be a little opaque ?
To stop some of the bright light.
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Why don’t astronauts wear sunglasses inside their helmet?
Because the sunglasses could fall off.
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Can plants grow well in the dark? Why?
No. Because the plant can not get enough sunlight.
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How are shadows made?
Shadows are made when light is blocked by an opaque object.
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What materials do fuels contain?
Fuels contain carbon.
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What is a funnel?
A funnel is a cone-shaped piece of equipment and to support the filter paper.
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Why are dark sunglasses no help when we are indoors?
Because they stop a lot of light.
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Name two fuels.
Oil ,petrol
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