Getting clean water; atmosphere and hydrosphere review
Answers are for parents and teachers.
1
Using family members’ weights, calculate how much water each needs per day (30 ml per kg).
Answers vary.
2
Write five new words from the unit and explain their meanings.
Answers vary.
3
Choose one experiment that proves a property of water and describe it with a picture.
Answers vary.
4
Write the similar and different properties of air and water in a table.
Both are colourless and odourless; air is a gas, water is a liquid.