[bai-giai-den-roi-cham-com]-Luyen-doc-reading-voi-bo-giao-trinh-oxford-level-5

Rocks and Minerals
Read pages 8-11.
Circle the correct words.
1 The Inca people used stones /~edg e5) to break rocks.
2 We make jewelry with gems and metals / rocks.
3 Gems / Crystals are made of stones with a regular shape.
4 Rubies / Emeralds are red.
3 Write the words.
electricity statue jewelry cans liquid mi~ia{'S
1 chemicals that you can find in rocks minerals
2 this is pretty and people wear it
3 your television uses this
4 something that moves like water
5 we put liquids in these
6 looks like a person and it's often made of metal
5 People make iron in a skyscraper / blast furnace.
6 People mix ore / steel with other chemicals to make iron.
Write iron, steel, copper, or aluminum.
4
Write true or false.
1 Today, we usually use iron to make tools. false
2 The Inca people used gems to move stones.
This metal ...
1 is very soft.
2 is made with carbon and limestone.
3 is used to make planes.
4 is in a lot of skyscrapers.
5 is used to make statues.
6 is very light.
7 is made from iron.
8 is used to make electrical parts.
copper
3 All gem stones are crystals.
4 We use copper to make electrical parts
because it's very light.
5 We can make metals from minerals in rocks.
6 Steel is a very soft metal.
Write about how we make steel. Use these words.
ore -+ carbon + limestone -+ blast furnace -+ heat -+
liquid iron -+ + more chemicals -+ steel