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Dear Students,

Answer the Questions given below using the vocab words (Buoyancy, Displacement, Force, Gravity, Float / Sink)

1. What shape worked best for your boat, and why?

2. Why did your boat float or sink when you added coins?
☐ It was light
☐ The shape helped it push water away
☐ It had more air
☐ The buoyant force balanced the weight
☐ I’m not sure

3. What science words can you use to explain what happened?

4. What would you change in your design next time? Why?

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Group 1 - Sujika,Aryan,Anushka G, Purvi and Bhumika

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Group 1 - Sujika,Aryan,Anushka G, Purvi and Bhumika

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1) Ans- The shape worked best was a boat with more volume and long length. It helped us because it was more stable then normal one even when we added coins.

2) Ans- Our boat floated on water because the shape helped it push water away due buoyant force

3) Ans- We can use Science words like- float,sink,force,volume to explain what happened.

4) Ans- Next time we should make edges lengthy and the surface much dense so the boat is much stable and will not sink even we add the coins

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1) Ans- The shape best helped was shape which had edges and more area so it helped the boat to float and it helped to balance the coins it spreads force.

2)Ans- The buoyant force balanced the weight

3)Ans- Science Word can we use to explain what happen is

Float , Buoyancy, displacement etc.

4)Ans- I will make boat more stable and we will increase length and breath of the boat therefore it will carry more weight

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1ans) The shape of the boat we made that was its corner was flat and the lower base was flat because of these thing’s the boat floats it happens because the lower base was not pointed but it was flat so more area was covered so the pressure was lesser.

2ans) the shape helped it push the water away so it was floating.

3ans) the words we can use are buoyancy,floting,pressure etc

4ans)We will take more area foil paper to make it unsinkable and capable of more coins.

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1- It had tall sides that stoped the water to enter in the boat .This shape help

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1- It had tall sides that stoped the water to enter in the boat .This shape help

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2- The shape helped it push water away.

3- Buoyant force helped us to explain what happened , because Buoyancy is the upward force that that a liquid or gas exerts on any object placed in it . This force helps objects float.

4- The change we would do next time is we will keep our boat more bigger and longer so than our boat can handle more weight and water will also can’t come inside it.

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A toy boat by Omkar Varad Arnav Vaibhav Vaishnavi Soham.s

Q1. The conical shaped worked the most to hold most amount of coins

Q2.The shape helped it push water away.

Q3. The buoyancy force it helped it float,the shape of the object affects how much water it displaces

Q4. We require to make the shape more triangular but also keep the surface of boat cover much area as possible.