Across
- 4. the amount of matter in an object
- 6. how tightly packed the particles are in an object (mass/volume)
- 7. made up of two or more atoms joined together chemically
- 9. change change in which the form or shape of a substance changes, but still has the same chemical make up
- 13. The amount of space an object takes up
- 14. A state of matter in which the substance has a definite volume and shape
- 17. A combination of two or more substances that keep their identities
- 18. A measure of the force of gravity on an object
- 19. substance formed by atoms from two or more elements
- 20. A physical property of a solid used to describe its surface.
- 21. A state of matter with no definite shape or volume
Down
- 1. theory a scientific explanation of the structure of atoms and how they interact with other atoms
- 2. of mass the total mass of the matter before and after the change remains the same
- 3. measure of the energy of motion of the particles in matter
- 5. mixture that has the same composition throughout
- 8. type of matter made of just one kind of atom
- 10. of matter the forms matter can take, such as solid, liquid, and gas
- 11. the smallest unit of an element that maintains the properties of that element
- 12. A state of matter that has no definite shape but has a definite volume.
- 15. Anything that has mass and takes up space
- 16. the process in which new substances are formed during a chemical change
- 19. change change in one or more substances, caused by a reaction, that forms new and different substances