Don't pour dangerous __________________ down the sink!
chemicals
Use the right ________________ to put up a picture.
tools
Windows are made of ____________.
glass
Chemicals must be kept in _____________________ .
closed bottles or cans.
Cardboard may be cut with _________________ .
scissors.
Which materials can be used to make cleaning products, medicines, batteries, toothpaste ?
chemicals
We save electricity when _______________________________ .
we turn off a light.
When we pick up rubbish from the ground, ___________________________ .
we make the environment cleaner.
