Across
- 4. Absorb light from sun
- 7. A ________ gas causes global warming
- 8. How heat is transferred in a fluid
- 10. Name given to group 1 in the periodic table
- 12. Type of reproduction in which only 1 parent is involved
- 15. A type of respiration that takes place without oxygen
- 16. A type of wave that is transferred by radiation
- 17. An offspring made from two different species
- 19. The smallest unit of an organism
- 20. A metal with an other element mixed in
- 21. Contains the cell's DNA
- 22. A microscopic organism without a nucleus
- 25. Tests for the presence of sugars in food
- 27. When a substance moves from an area of low concentration to an area of high concentration
- 28. Sac of cell sap found in plant cell
- 30. A microscopic fungus
- 31. These increase the surface area of the small intestines
- 32. Chemical used to test for the presence of protein
- 33. How heat is transferred in a solid
Down
- 1. When a fuel reacts with oxygen
- 2. Process where light appears to bend when it enters a new substance
- 3. Name given to group 7 in the periodic table
- 5. An alloy of iron and carbon
- 6. On the left of the periodic table
- 9. When oxygen is added to a substance
- 11. A force that acts against the motion of an object
- 13. A force that pushes up
- 14. A microscopic, unicellular organism with a nucleus
- 18. Sexual and asexual are examples of this
- 23. The new species made from reproduction
- 24. The _______ point tells us the temperature at which a substance changes from solid to liquid
- 26. Process where light rebounds off a surface at the same angle that it hit it
- 27. Amount of matter in a certain volume
- 29. A type of respiration that takes place in the presence of oxygen