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