Grace has two boxes of tissues. Grace wants to know which tissue is best.She takes one tissue from each box. She puts them in saucers. Then she pours a teaspoon of water on each tissue.How does Grace know which tissue is best?

At school you have looked at different materials. You have done simple tests on materials. Things we can test, like strength or stretchiness, are called properties. How can you test which material is the strongest or which material is the stretchiest? Can you plan how to test different materials?