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2/23/2015 - 2/27/2015
Grade Level:
6
Subject:
Science
Topic:
Fizzy Bubble Science
Objective:
Popcorn Lava Lamp Activity
Students will:
-follow the instructions accurately
- measure the required amounts of sodium bicarbonate and vinegar
- observe the formation of carbon dioxide bubbles in the solution
- observe that these bubbles adhere to the popcorn pieces
- observe that the popcorn pieces float when covered with bubbles
y observe that the bubbles pop when the popcorn reaches the
surface, causing the pop corn to rotate
y observe that the popcorn sinks after the bubbles have popped
y describe their observations in writing and with illustrations
Catch-A-Bubble Activity
Students will: y follow the instructions accurately
y measure the required amounts of sodium bicarbonate and
vinegar
y carefully blow bubbles and gently move the bottle to catch them
y observe that the bubbles float on the invisible layer of carbon
dioxide
y infer that carbon dioxide is a heavier (more dense) gas than air
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Prep:
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Materials:
Note: All handouts can be found at: http://www.abc.net.au/science/surfingscientist/pdf/lesson_plan04.pdf
1 390 or 600 ml soft drink bottle
1 Balloon
1 Funnel *
3 Tbsp sodium bicarbonate
½ Cup vinegar
30 student worksheets (1 per student)
3 pages – download separately and photocopy
18 Clear plastic cups and/or glasses (1 per group)
6 1 litre soft drink bottles (tops cut off)1 (1 per group)
6 Small bubble blowers and solution 2 (1 per group)
6 Tablespoons (1 per group)
6 Teaspoons (1 per group)
1 packet Un-cooked pop corn (1 tbsp / group)
2 × 500 g Sodium bicarbonate ( ¾ cup / group)
2 litre Vinegar (1 cup / group)
Water (1 cup / group)
Sherbet ingredients and materials
75g Citric Acid 3
2 packets Flavored jello crystals
1 packet Pure icing sugar
6 Small plastic bowls or plates
1 – 6 Sieve(s)
30 Small plastic bags or similar to store sherbet