Science Revision

What is germination?

• When a human being grows.

• When a seed begins to grow.

• When a plant wilts and dies.

Which of the following choices best defines the word 'mixture'?

• When someone is playing with materials.

• When someone is carrying out an experiment.

• When two or more materials are mixed together.

When a material mixes with a liquid and becomes part of the liquid so that the solid cannot be seen we say the material has _______________.

• Dissolved

• Disappeared

• Separated

We describe a solid that dissolves in a liquid as ____________.

• soluble

• disappearing

• insoluble

Sand does not dissolve in water, so sand is __________ in water.

• strong

• insoluble

• soluble

We describe solids that do not dissolve in a liquid as ____________.

• bad

• insoluble

• soluble

• nothing

Sugar dissolves in tea, so sugar is ___________ in tea.

• good

• bad

• soluble

• insoluble

A material that allows light to pass through it and we can also see through it is known as _____________.

• transparent

• translucent

• opaque

A material that does not allow light to pass through it and we cannot also see through it is known as _____________.

• translucent

• transparent

• opaque

Which of the following is the meaning of 'absorb'?

• To soak up or take on a liquid.

• To swallow a liquid.

• To carry a liquid.