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