SIE 4 Chapter 5 Materials

The incorrect description about the particles is ….

• Packed very closely together

• Have a fixed position

• Particles vibrate

• Taking the shape of any container

A ... is made of one type of matter.

Concrete is a material used to make buildings.

The concrete is made of some substances except ....

Choose two answers.

• plastic

• rock

• sand

• flour

Salt is solid.

It is made up of many small grains of solid salt.

Salt is example of solid that behave like liquids.

True or False?

• True

• False

Write the properties of solid particles.

Particles move around one another.

So ... can flow and take the shape of any container.

Which solids that will melt faster?

• butter

• chocolate

• ice cube

• sugar

What is solidification?

What is the physical change?

One or more new substances are formed during ....

• chemical reaction

• physical changes