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Bubble boats

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  • 1. BUBBLE BOATS Jade, Gina, Kaitlyn, Amy
  • 2. AIM •We wanted to find out if the bubbles could power the boat with baking soda and vinegar mixed together.
  • 3. MATERIALS •Straw cut in half, small bottle, tissues, funnel, baking soda, vinegar, hot glue gun, craft knife, and the swimming pool, rocks, cardboard, plastic.
  • 4. METHOD 1 • We got a bottle and cut a hole in it. We cut the straw in half. Put part of the straw in the bottle. We hot glued around the straw to stop the water going in. We put vinegar inside the bottle using a funnel. Then Mrs Weir got a tissue and filled it up with baking soda and wrapped it up tight.
  • 5. METHOD 2 •To make our boat better than the first one, we put plastic and cardboard on the bottom and put rocks inside the bottle.
  • 6. WHAT BOAT DO THINK WORKED BETTER? Boat 1 Boat 2
  • 7. YES • The second one was better than the first one because, it floated better with the cardboard and the plastic on the bottom and rocks in the bottle. The first boat kept tipping over and sinking.
  • 8. NO •Because it sank really fast and kept turning over. The second one was better than the first one because, it floated better with the cardboard and the plastic on the bottom and rocks in the bottle.