Drag each tile to the correct box. Arrange the tiles to show the sequence of the steps in a scientific investigation.

make an observation
ask questions
construct a hypothesis
test the hypothesis
analyze the results
and make conclusions
communicate the results

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Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

What is the cause hearing loss in human being

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?