What are the properties of these materials?
In collaborative learning teams explore the properties of each material of the which the objects are made of.
Fill out the table to record what happened to each material for each test.
What other tests might we perform ?
What does the word hard mean?
Scientists consider hard to mean easily a substance is scratched or worn away. The hardest substance in the world is a diamond. and it can only be scratched by another diamond. For this investigation we will be using the the scientific definition of hard.
What do you think solids have in common?
What ids different about them?
Are powders solids? How do we know? What properties do they have in common with other solids?