Unit 1,2 and 3 (Combined Science)
1. ----- holds the plant cells in shape and made up of cellulose.
2. ----- sweep the mucus up to the back of your mouth and you swallow it.
3. Red blood cells deliver -----.
4. Three kinds of specialized cells in human body are red blood cells, --------------, and ciliated cells.
5. -------- is the property of planet that makes it have gravity.
6. Mass is ------ of matter in an object. It is measured in Kilogram (kg).
7. -------- is a force acting on moving objects to slow them down.
8. A space there is no air is called -----------.
9. Water on the ground gradually disappear and change to water vapor called --------10. To measure volume of liquid, use ---------- .
11. When liquid is heated and boiled, some particles in liquid have enough energy to break the weak
----------- and can move freely as gas particles.
12. Substance made up of one kind of atom called --------.
13. Two different elements are bonded, they completely lose their properties and form new
properties as a --------.
14. Air and mineral water are ------------.
15. ------- cannot be divided.
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