1. What is a solution?
What happens when we dissolve something?

2. Investigation
Weigh the beaker you have been given
Put 100ml of water into the beaker and weigh it again
Weigh the salt you have been given
Dissolve the salt
Weigh the solution you have made
What have you found out?

3. Does it dissolve? calcium carbonate salt copper sulphate graphite
sugar
copper oxide
Is soluble
Is not soluble

4. What is happening? The solution Peas (these are the salt molcules)
Rice (this is the water)
Peas (these are the salt molcules)
salt
water
molecules
mixed up
spread out
same mass

7. How many spoons dissolved
Temperature oC
How many spoons dissolved

8. Solubility experiment Fill a beaker of water to 100ml
Take the temperature of the water
Count how many flat spoons of salt will dissolve in that beaker
Write your results down
What did we find out? What can you say about solubility and the temperature of the water? * **
***
Use the key words dissolved and solution correctly to describe this experiment L3
Describe how temperature affects solubility L4
Explain what a saturated solution is L5

10. Describe how temperature affects solubility * **
***
Use the key words dissolved and solution correctly to describe this experiment
Describe how temperature affects solubility
Explain what a saturated solution is