Asked in Rocks and Minerals
What things are made of rocks and minerals that would be in a classroom?
A pencil is made of graphite, despite its original name, lead. Another could be the metal. Technically, all metal is a mineral. ...
Asked in Geology, Rocks and Minerals
Can minerals and common objects with the same hardness scratch each other?
No, minerals and common objects with the same hardness are not able to scratch each other and leave a mark behind. For example, minerals with a hardness of 2.5 - 3 include gold and silver. Try scratching two pieces of jewellery made of gold and silver. It does not make a mark at all! ...
Asked in Geology
Why all rocks are made up of minerals but minerals are not made of rocks?
Well the rocks you find here on the surface are made up of many kinds of minerals, like when you see a certain type of rack that has small glass-like spots. Minerals are just mineral alone. A lump of lead is just only made up of lead, not anything else. Some minerals can be called rocks. Water is a mineral, but it is not a rock. ...
Where can you find games to play in the classroom for all ages?
We've made a huge database of classroom games you can sort by age, materials, and more. There are games for the little ones and the big kids, safe and educational. You can find it over at http://www.taiwanenglish.com/games.php ...