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Bell Ringer 4th 9 Weeks
BR 4-30-12
Mon: What are the 3 major categories of elements?
1.
2.
3.
Tue: What elements combine to form...
table salt-
water-
vinegar-
carbon dioxide-
baking soda-
Wed: Compounds can be broken down into what two types of substances?
Thur: What are three common ways to separate mixtures?
Fri: Give three examples of mixtures and three examples of compounds.
Mixtures Compounds
1. 1.
2. 2.
3. 3.
BR 4-16-12
Mon: What are the 2 gas laws and what do they state?
1.
2.
Tue: What are the 5 changes of state?
1.
2.
3.
4.
5.
Wed: What happens to the temperature of a substance as it changes state?
Fri: What is the difference between evaporation and boiling?
Br 4-9-12
Mon:What are the three states of matter?
Wed: What do the particles do in a...
...solid-
...liquid-
...gas-
Fri: Explain why water forms spherical drops. What is the name for it?
BR 3-12-12
Mon- List 5 signs of chemical changes.
Tue- What type of change is each...
dog eats homework
make a popsicle
bending an iron nail
rust on iron nail
Wed- List 3 physical changes and 3 chemical changes.