Science Activities for Scouts: Buoyancy, Chemistry, and Separating Mixtures, Summaries of Mathematics

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Cub Scouts - Signature Card

Boy Scouts Chemistry MC Signature Card

Boy Scouts Nuclear Science MC Signature Card

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Boy Scouts Chemistry

Graphics for Activity Stations

Procedure

1. Make a Cartesian diver by using a disposable pipet and a piece of metal. Cut off thelong end of the pipet.
2. 3. Fill a beaker or other small container with water.Squeeze the pipet bulb and draw up a small amount of water.
3. Place the diver into the water. Does it float? Adjust the amount of water until itfloats.
4. 6. Place the diver into a plastic bottle filled with water. Fill to the top and close tightly.Squeeze the bottle. Observe what happens.

Observations and Analysis Observe what happened during the experiment and try to answer the following questions: • How did you make the diver sink? Why does this happen?

• • How did you make the diver float? Why does this happen?What would happen if you heated up the water? Cooled it?
• • How does the behavior of gases affect scuba divers?How does the behavior of gases affect mountain climbers?

Iron and Copper Sulfate

What color is the iron nail? What color is solid copper? What color is copper sulfate? What do you think is going to happen? Iron is Copper is Fe (^) (Latin: Cu (Latin: ferrum cuprum ). ).

Fe

Cu

CuSO 4

Separating Substances

Sand and Water

Salt and Water

Oil and Water Motor Oil and Gasoline

Separating Substances

• Describe how you separate each of the mixtures.
• What lab equipment would you use?

iron rusting (^) boiling water

burning candles (^) gasoline burning

chopping potatoes cooking steak on a grill

eggs cooking chopping wood

a campfire burning (^) magnetizing a compass needle

fireworks iron nail in copper sulfate