Density and Buoyancy | Baamboozle - Baamboozle | The Most Fun Classroom Games!

Why do helium balloons rise?

helium is less dense than air around it

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What is the formula for finding the density of an object?

d=m/v

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What 2 measurements do you need to find the density of a brick?

mass and volume

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If we place an empty plastic bottle in water, it will float. How can we make the bottle sink in water?

By increasing the mass of the bottle by filling it with water or by filling it with denser objects like coins or pebbles

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baam

Lose 15 points!

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seesaw

Swap points!

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rocket

Go to first place!

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banana

Go to last place!

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Why does changing a clay ball into a clay boat allows it to float?

Because the average density reduces due to the volume of air in the boat

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What could you say about the density of a ball that is in a container with 3 liquids of different densities where the ball floats in the 2nd layer?

density of ball is equal to 2nd layer

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baam

Lose 25 points!

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shark

Other team loses 10 points!

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rocket

Go to first place!

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baam

Lose 25 points!

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What is the density of an object if the mass is 40 g and the volume is 20 mL?

2 g/mL

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baam

Lose 20 points!

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star

Double points!

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shark

Other team loses 25 points!

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lifesaver

Give 25 points!

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How are the particles in a solid packed compared to particles in a liquid?

more tightly packed

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True or False: If two objects have the same size or colour, they will both float

False. Flotation depends on the mass of the object and density of the fluid

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Which is less dense? Salt water or fresh water?

Fresh water

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The more tightly packed the particles within a substance are, the more _________ it is

Dense

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If an object is neutrally buoyant in a liquid (i.e upthrust = weight), will it sink or float?

It will neither float nor sink. It will float just below the surface of the liquid.

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banana

Go to last place!

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star

Double points!

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gift

Win 25 points!

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lifesaver

Give 25 points!

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