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Stage 1
Answer 4 questions correctly in a row.
Ted places an iron nail into a beaker of water. This is what he observes.
Complete the sentence to explain Ted's observation.
The iron nail
sinks in . . . more
sinks in . . . less
floats on the surface of . . . more
floats on the surface of . . . less
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Jumping to stage 1 of 1
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