compounds and mixtures
DESCRIPTION
Compounds and Mixtures lessonTRANSCRIPT
Look at the below chemical?What is it called and what elements
does it contain?
Thursday, April 13, 2023
Learning OutcomesBy the end of the lesson you should be able to:
All• Explain that elements contain 1 type of atom and
compounds contain more than 1 joined together.
MOST• Describe the differences between compounds and
mixtures
SOME• Describe that the formulae indicate the numbers of
atoms in a compound
Thursday, April 13, 2023
Big Picture
Thursday, April 13, 2023
Big Picture
• Investigating Materials
• Introduction to elements
• Periodic Table
• Elements and Compounds
• Compounds and Mixtures
Thursday, April 13, 2023
ElementsContain only 1 type of atom
Thursday, April 13, 2023
Element 1 Element 2
MixturesElements can be mixed NOT JOINED to make a
mixture
Thursday, April 13, 2023
Mixture 1
Mixtures
Can be separated to get the elements
Thursday, April 13, 2023
Mixture 1 Element 1 Element 2
Mixtures
Can be separated to get the elements
NaCl Na Cl
SodiumChloride
Sodium Chlorine
CompoundsWhen two or more elements are joined together using
energy (e.g. Heat)
Thursday, April 13, 2023
Element 1 Element 2 Compound
Elements
Contain only 1 type of
atomThursday, April 13, 2023
Compounds Mixture
Contain 1 or more atoms
JOINED
Contain 1 or more atoms NOT
JOINED
What is Seawater?
Compound, element or Mixture?
Thursday, April 13, 2023
H20 NaCl Mixture
ofCompounds
Learning TaskYou must write a report to the government. You should explain: •Why water is needed?•What is water made from?•Why is a sea water a mixture?•How seawater could be made to be drinkable?
Thursday, April 13, 2023
Level 3
Level 4
Level 5
Level 6
• Uses little scientific words, names only 1 of the elements in water
• Uses some scientific words – like Hydrogen, oxygen, salt and mixture
• Uses scientific words like sodium Chlorine and some formula- like H20. Describes a mixture.
• Uses formula like NaCl and science words like desalination
Learning OutcomesBy the end of the lesson you should be able to:
All• Explain that elements contain 1 type of atom and
compounds contain more than 1 joined together.
MOST• Describe the differences between compounds and
mixtures
SOME• Describe that the formulae indicate the numbers of
atoms in a compound
Thursday, April 13, 2023