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Reversible and irreversible changes: revision
This activity is designed to help you revise a range of reversible and irreversible changes. Cut the cards out and place them face up on the table. Try to match up a material card with a process card – can you now find the correct reversible / irreversible card for this match? See how many correct matches you can make!
Rocks and soils matching pairs
Look at these picture cards. Can you identify the different types of rocks? What might these different types of rocks be used for? Can you match the different types of rocks to the correct name cards? Now shuffle the cards and have a game of matching pairs with a friend or adult. The person with the most cards at the end of the game wins!
Ruler noises
Try this simple experiment at home to investigate the pitch of sound you can make using a ruler.
Seed dispersal revision
Seeds disperse in different ways – through explosion, thanks to animals carrying them and via the wind. Use what you have learned about seed dispersal and your research skills to sort these
seed cards using the sorting sheet on the next page.
seed cards using the sorting sheet on the next page.
Seed germination investigation
Let's investigate which conditions affect seed germination!
Separating solids investigation
Ask an adult to provide you with a bowl filled with rice, sand, metal paper clips (or pins) and pasta (ideally penne) all mixed together. How could separate these materials? Ask to use a sieve, some plastic bowls and a magnet. See if you can use this equipment to separate out these solids.
Sinking and floating investigation
Look at these pictures. Can you identify the objects? Which ones do you think will float in water? Which ones will sink? Why? Ask a parent if there any that you can test.
Solid, liquid or gas?
Look at these cards. Cut them out and then sort them according to whether you think they are a solid, a liquid or a gas. Be careful…some have been put in to challenge you!
Sorting clothes
When it is time to change over your child’s wardrobe from season to season or you are having a big clear out, take the opportunity to involve them and look at what different clothes are made from. Talk about the materials the clothes are made from and together look at the labels showing their properties.
Sorting healthy statements
We are constantly being told what is healthy and what is unhealthy. In this activity you need to use your reasoning skills to read the statement cards and sort out which ones you think are true and which are false.