Across
- 2. A (________) is made up of two or more Elements. Some examples are H2O, NaCi, and Fe3P2.
- 4. When you cook something, such as meat, it is practically permanent and almost impossible to undo. That means that cooking something is a (________ ______).
- 9. A house has a large (______) so it takes up a large amount of space.
- 10. The (____) of an object, such as a pillow, will not change, even in water or on another planet.
- 11. If a bar of gold is 98.999% Pure It's is a 98.999% (____ _________) it is almost impossible for something to be a 100% (____ _________).
- 14. All matter is made of particles that move differently depending on the amount of energy they have. The Theory that supports this idea is called the (_______ _________ ______).
- 16. Iron's (_______ _____) is about 2,800 degrees Celsius. When iron reaches that heat it begins to boil.
Down
- 1. Paper is easy to burn or catch on fire, meaning it has a high (____________).
- 3. Things like grass, eyes, leather, Etc., all don't have chemical formulas, which means they are (________).
- 5. If you were too look at a bowl of Jell-O or cup or pop you wouldn't be able to see the different substances that make up the mixture. When the particles in a mixture are evenly mixed like that they are called a (___________ _______).
- 6. Sodium's melts at about 95 degrees Celsius, which means 95 degrees Celsius is Sodium's (_______ _____).
- 7. Cutting bread does not change its chemical bond, so cutting bread is a (________ ______).
- 8. Ice is the solid (_____) of water, because the particles are extremely close together.
- 12. Water touching metal can cause a chemical reaction called (_________).
- 13. There are 118 (________) on the periodic table. They are the only types of atoms in the universe; some examples are Calcium (Ca), Silver (Ag), and Chlorine (Ci).
- 15. Everything from dirt to a shoe, to a couch, to a windmill is (______).