Floating and Sinking Test

Jenny made a clay boat that floats and will test her design. Why would she use a spring scale?

• To have a little extra clay.

• To make it a fair test.

• To make sure the boat floats.

• To try out the scale.

RJ is making a clay boat. Which design will hold the most marbles?

• Less space and higher sides.
• Less space and lower sides.
• More space and lower sides.
• More space and higher sides.

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Objects displace the water they are in by

• absorbing some of the water.
• sitting on top of the water.
• pushing the water aside and sinking into it.
• letting the water rush in and fill it up.

Ben made a foil boat. Ben's boat is hard to push down in the water. Your inference is?

• It will hold more marbles than the others.

• It will hold fewer marbles than the others.

• It will sink when loaded with marbles.

• It will never sink when loaded with marbles.

When we first started working with clay, what was the most important factor to get the clay to float?

• Its color.

• Its shape.

• Its size.

Make a prediction. Which clay shape will sink? Large bowl, small bowl, or ball?

• Large bowl
• Small bowl
• Ball

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Why do some clay objects float?

• Their bottoms are flat.
• Their shapes are open.
• Their sizes are small.

Ashley calibrated her spring scale with paper clips. What unit of measure is she using?

• Clay balls

• Paper clips

• String marks

• Wire coils

Which statement is true?

• Objects weigh more when submerged in water than out of water

• Objects weigh the same in water and out of water

• Objects weigh more out of water than when submerged in water

Which if the following best describes why an object weighs less in water?

• The shape of the object changes in the water.

• The size of the object changes in the water.

• The water pushing up on the object.

• Gravity pushing down on the object.