Describe how man uses the different states of matter
- Gas can be compressed and stored in a gas tank.
- Petroleum and natural gas can be transported through pipe because they can flow.
- Liquid clay is easily shaped into flowerpots which become hard solids after heating.
Describe how man applies the concept of density
- Transporting Log - Logs are less dense than water.They are transported by rivers to factories.
- Buoys - Buoys are fixed to the surface of the sea to mark a place that is dangerous for ships.
- Hot Air Balloon - When the air is heated and become hot,it will expand.The hot air is less dense than the air around the balloon.
Application of the concept of floating and sinking related to density
Submarine
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