A sandwich is known to be... (Pure Substance or Impure Substance)
Impure Substance
What is hydrogen? (Pure Substance or Impure Substance)
Pure Substance
Sea water is known as... (Element, Compound or Mixture)
Mixture
What is carbon dioxide? (Element, Compound or Mixture)
Compound
What is Salt and what type of substance is it?
Compound and Pure Substance
What is oxygen? (Element, Compound or Mixture)
Element
Melting ice is a... (Chemical Change or Physical Change)
Physical Change
Gold is known as... (Element, Compound or Mixture)
Element
What is Nitrogen and what type of substance is it?
Element and Pure Substance
When you burn wood, it is a... (Chemical Change or Physical Change)
Chemical Change
What are two groups that pure substances are categorised in?
Elements and Compounds
What is pizza? (Pure Substance or Impure Substance)
Impure Substance
Chopping wood is a... (Chemical Change or Physical Change)
Physical Change
How many atoms is an element composed of?
One
How many atoms is a compound composed of?
Two or more
Eating food then digesting it is a... (Chemical Change or Physical Change)
Chemical Change
What is the one group impure substances are categorised in?
Mixtures
Shredding paper would be a... (Chemical Change or Physical Change)
Physical Change
Water is known as... (Element, Compound or Mixture)
Compound
What is air? (Element, Compound or Mixture)
Mixture
Ammonia is known to be... (Pure Substance or Impure Substance)
Pure Substance
The rusting of a nail is a... (Chemical Change or Physical Change)
Chemical Change