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science
Science revision
| Question | Answer |
|---|---|
| Why does distillation work with sand and water | Distillation works because salt has a lot higher boiling point than water |
| Which nutrient is found in bread, pasta and rice | Carbohydrates |
| How is igneous rocks formed | when molten rock cools and solidifies |
| How is sedimentary rocks formed | when broken remains of other rocks join together |
| What are some examples of sedimentary rocks | chalk ,limestone ,shale, sandstone |
| How is a Metamorphic rocks formed | when other rocks changes because of heat or pressure. |
| How many joules are in 1 killer joule | 1000 joules |
| What is power | it is the rate in which energy is used |
| what are some examples of a non-contact force | gravity and magnetism |
| what part of the earth is liquid | outer core |
| how much nitrogen is the atmosphere made up of | 78 |
| What is the core made from | iron and nickel |
| What can a deficiency in vitamin A cause | Blindness |
| Where does food get absorbed | small intestine |
| what do the bile do | helps the digestion of lipids(fat) |
| What do enzymes do | They speed up digestion |
| What nutrients cant be digested | Minerals, vitamins and water |
| What is mainly absorbed in the large intestine | water |
| Where is most food digested | small intestine |