SCIENCE REVISION 3

¿What is this material made of?

¿What is this material made of ?

¿What is this material made of?

¿What is this material made of?

¿What is this material made of ?

¿What is this material made of?

¿What is this material made of?

¿What is this material made of?

Transparent and brittle

Shiny and conducts electricity

Flexible and elastic and a opaque

Dull and an electrical insulator

Hard and attracted to a magnet

An electrical and thermal insulator

Magnets not only pull things, but they can also push things away.

The Earth is one big giant magnet.

Two magnets with like poles will _________ each other.

Magnets will only be attracted to objects that have this in them.

__________________ happens when particles of a solid speed up and become able to move past one another.

Particles in a ________ move as fast and as far away from each other as they can. They will continue to spread out until something stops them.

As liquid water heats up, particles escape from the surface, this is called ______________.

When liquid water evaporates, it turns into ______________.

Particles in a _____________ vibrate in place, but cannot move past each other.

If enough heat is removed from a gas, it will change into a ___________.

If enough heat is removed from a liquid, it will become a ____________.

The process of a liquid turning into a solid is called ________.

_____________ is when a gas turns into a liquid.

________ is rapid evaporation that takes place throughout a liquid.

Chemical changes...

Physical Changes...

Rusting is an irreversible change.

Which of these are irreversible changes?

Which of these changes are reversible?

The burning of fuel in a truck is irreversible.

Condensation of steam is a reversible change.

Sugar dissolves in water to form a solution.

The rusting of iron in moist air is a reversible change.

Trick Question

If you mixed water with an air is it reversible

After the quiz it must be discussed