Sorting materials into groups

Materials usually look different from each other

• Appearance

• Hardness

• Soluble

Materials through which objects can be seen, but not clearly, are known as

• Transparent

• Opaque

• Translucent

Materials which can be compressed or scratched easily are called

• Soft

• Hard

• Don't no

Stone is transparent, while glass is opaque

• False

• True

• Not sure

• Don't no

Vinegar dissolves in water

• False

• Not sure

• Don't no

• True

Give two examples of Hardness objects

Give any two examples of objects sink in water