What is the key feature of a physical change?

Give 4 example of physical change

What is the simplest example of physical change?

What is expansion

What is contraction?

What is an example of contraction and expansion?

What will happen if enough heat is added to a substance?

What is melting?

What is freezing?

Evaporation?

What is boiling point?

Condensation?

Sublimation?

What is dry ice?

What is mixing?

What is dissolving?

Solute?

Solvent?

WHat happens when 2 substances mix?

What gets produced if water is boiled?