Particle Challenge Part I.
A
B
C
D
E
F
Match the picture with the description.
1.
2.
3.
4.
5.
6.
A physical change involving an element changing state (B)
A chemical change involving a compound coming apart into two elements (C)
A sample of a compound (D)
A solution of two elements (E)
A heterogeneous mixture of two elements (not shown)
A compound undergoing a chemical change into a new compound and an element (not
shown)
7. A heterogeneous mixture of an element and a compound (A)
8. A sample of an element undergoing a physical change into two piles of that element.(F)
Particle Challenge Part II.
For each of the following decide if the term is
A. A physical property B. A chemical property
1. Milk spoiling (D)
2. Breaking glass (C)
3. The color of the dye (A)
4. Flammability of a gas (B)
5. Burning eggs (D)
6. The magnetism of an iron bar (A)
7. The shine of a penny (A)
8. Rusting metal (D)
9. Melting ice (C)
10. The boiling point of water (A)
C. A physical change
D. A chemical change
For each of the following decide if the item is
A. A heterogeneous mixture B. A homogeneous mixture
11. Water (C)
12. Baking Soda (C)
13. Carbon (D)
14. Salt water (B)
15. Salad dressing (oil, vinegar and spices) (A)
C. A compound
For each of the following write the number inside the matching circle of particles.
16.
17.
18.
19.
20.
An element
A mixture of two elements
A compound
A mixture of two compounds
A mixture of a compound and an element
16
18
20
19
17
D. An element
Particle Challenge Part III.
A.
For each substance named in items 1-10 underline the substance and beneath it write whether it is an element
or a compound.
B. On the back of this sheet make ten boxes (see my template on the board). Draw before and after pictures for
each of the following changes (one per box). Label each drawing with the type of change (chemical or physical).
Don’t forget to show the motion of your particles. Keep particle numbers to nine or fewer. Use colors to show
different types of atoms. Use the color key we made together. Remember to conserve the mass of your
particles (keep the same number and types on either side of your arrow).
1. Magnesium metal melting.
2. Hydrogen gas and oxygen gas mixing to form a solution.
+
3. Liquid water dissolving solid hydrochloric acid
+
Zinc burning in air to form Zinc Oxide (a solid)
4.
+
5. Ripping apart a strip of magnesium ribbon.
6. Hydrogen peroxide and water forming a solution.
+
7. Hydrochloric acid reacting with Zinc metal to form Zinc Chloride (a solid) and Hydrogen gas.
+
8. Sugar burning and releasing carbon dioxide gas and water gas.
9. Water boiling
10. Sugar forming from carbon dioxide and water gas.
Same as number 9 but in reverse.