Year 7 End Of Year Revision

5. The part of our respiratory system which leads to the bronchi.
7. The type of solution which has a pH between 8-14, sodium hydroxide would be an example of these.
8. The piece of equipment we would use to measure the length of a plant.
9. These energy forms will never run out.
13. The name of the salt produced from a reaction with sodium hydroxide and hydrochloric acid.
16. A carbohydrate which provides starch.
17. The type of solution which would turn red, orange or yellow when added to universal indicator
18. A renewable form of energy that will not work at night-time.
19. The energy resource which causes the blades of a wind turbine to spin.
20. In this type of material the particles are in ordered rows and are all touching. The particles are not free to move around.

1. The force which pushes us down towards the center of the earth.
2. Two or more different types of particles which can be easily separated.
3. The name of a reaction between an acid and an alkali which produces a salt and water.
4. If these types of forces are acting on an object then the object will either remain stationery or travel at a steady speed in the same direction.
6. The air sacs found at the end of the bronchioles in each lung.
10. The scale used to decide if something is an acid or an alkali.
11. Coal, natural gas and oil are examples of these.
12. The temperature at which something turns from a solid to a liquid.
14. If these types of forces are acting on an object then the object will change speed or direction.
15. The gas which passes out of the blood into the alveoli.