What is a physical change?
Physical changes affect the appearance or state of a substance.
What is a chemical change?
Chemical changes happen when a substance turns into something completely new.
What is the opposite of reversible?
Irreversible
Present continous of to melt?
Melting
Give an example of a physical change that occurs when ice melts
Turns into water
Give an example of chemşcal change that changes in the oven and is sweet.
Delicious Cake
Define the word substance?
Substance is material with particular physical characteristic.
Make a noun with the word characteristic.
Characterisation
Give two characteristics of physical change?
size, shape, or state (solid, liquid, gas).
When iron rusts, is it a physical or chemical change? Explain your answer
Chemical change because
What is the opposite of melt?
Freeze
Make a verb with the word reversible.
Irreversible
Is dissolving sugar in water a physical change? Yes or No.
YES
Give two characteristics of chemical change.
gas, heat, light, or a solid
What is the opposite of solid?
Liquid
What is the irregular past particle of freeze?
Frozen
Give ONE example of physical change that is reversible.
Melting ice.
Give four characteristics of chemical change.
gas, heat, light, or a solid
Explain the term "chemical change".
Chemical changes happen when a substance turns into something completely new.
What tense is this phrase, 'Was characterised
Past Tense