1. Matter Review

2. What is a particle that is located on the outside of the nucleus?
Electron

3. What is anything that has mass and takes up space?
Matter

4. What is the amount of matter in an object?
Mass
What is mass measured with?

5. What is the pull of gravity on an object?
Weight

6. Why does an ice cube melt at room temperature?
The temperature of the ice increases

7. An apple has a mass of 14 grams. If Mrs
An apple has a mass of 14 grams. If Mrs. Sabau cuts the apple in half and then measures the mass, the two apple pieces will have a mass of:
_______ grams 14

8. This tells us how tightly particles are in an object:
Density

9. Mrs. Sabau crushes a sugar cube into powder
Mrs. Sabau crushes a sugar cube into powder. What has changed about the sugar?
Shape
Volume
Mass
Density

10. A compound
What is the combination of two or more elements?

11. What is the charged particle in the nucleus of an atom?
Proton

12. This is a pure substance that cannot be broken down anymore
An Element

13. Scientists grouped 109 elements into a ____________ table.
Periodic

14. The smallest unit of an element that has the properties of an element is:
An atom

15. Matter can exist in many different forms
Matter can exist in many different forms. These different forms are called ___________ of matter.
States of Matter

16. The “brain” or the dense part of the atom is its
Nucleus

17. Name two ways to separate a mixture
Floating
Use a filter
Pick it out
Use a magnet

18. Name the three states of matter.
Solids, liquids, gases

19. This is a change that forms a new type of matter: Chemical Change

20. Boiling point and freezing point
At an object’s boiling point, a ___________ changes to a ____________
At an object’s freezing point, a ___________ changes to a ____________
Solid, Liquid, or Gas

21. Physical Change or Chemical Change Coloring a piece of paper Frying an egg Mixing sugar and tea Burning a marshmallow Sour milk

22. Name the six steps of the Scientific Method in order.
1. Observations
2. Research
3. Hypothesis
4. Experiment
5. Data
6. Conclusion

23. A change in matter in which the type of matter stays the same Physical Change

24. Give an example of a mixture

25. If an object floats in water, it is ______ dense than the water

26. What are three signs of a chemical change? Fizzing, bubbling
Formation of light and heat
Unusual smell
Change in texture
Change in color

27. What are three ways to make a physical change occur?
Cut, bend, tear, boil, freeze, dissolve