Physical change
Chemical change
Vocabulary
Use of English
100

What is a physical change?

Physical changes affect the appearance or state of a substance.

100

What is a chemical change?

Chemical changes happen when a substance turns into something completely new.

100

What is the opposite of reversible?

Irreversible

100

Present continous of to melt?

Melting

200

Give an example of a physical change that occurs when ice melts

Turns into water

200

Give an example of chemşcal change that changes in the oven and is sweet.

Delicious Cake

200

Define the word substance?

Substance is material with particular physical characteristic.

200

Make a noun with the word characteristic.

Characterisation

300

Give two characteristics of physical change?

size, shape, or state (solid, liquid, gas).

300

When iron rusts, is it a physical or chemical change? Explain your answer

Chemical change because

300

What is the opposite of melt?

Freeze

300

Make a verb with the word reversible.

Irreversible

400

Is dissolving sugar in water a physical change? Yes or No.

YES

400

Give two characteristics of chemical change.

gas, heat, light, or a solid

400

What is the opposite of solid?

Liquid

400

What is the irregular past particle of freeze?

Frozen

500

Give ONE example of physical change that is reversible.

Melting ice.

500

Give four characteristics of chemical change.

gas, heat, light, or a solid

500

Explain the term "chemical change".

Chemical changes happen when a substance turns into something completely new.

500

What tense is this phrase, 'Was characterised

Past Tense