How Plants Grow and Change

Which of the following is true?

• Plants need soil, space, and air.

• Plants can grow without water.

• Plants need only sunlight to grow.

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Plants need light from the _________.

• moon

• sun

• stars

• ground

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What would happen if you tried to grow a plant in the dark?

• It will not grow.

• It will grow upside down.

• It will grow fine.

• It will grow small.

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What would happen if you tried to grow a plant without water?

• It will not grow.

• It will grow upside down.

• It will grow fine.

• It will grow small.

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What can you conclude from the above graph?

• The bean plant will measure 2.5cm on Day 6.

• The bean plant measured 1cm on Day 2.

• The bean plant will increase in height on Day 6.

• The bean plant increased the most from day 3 to day 4.

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How does the amoun of water given to a lima bean seed affect how tall it grows? In this experiment, what variable should Maia CHANGE?

• the amount of water

• the kind of plant

• the type of soil

• the amount of sunlight it gets

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Identify the hypothesis for this experiment.

• The seeds in the container receiving 40 mL of water will sprout first.

• How long will it take the seeds to sprout?

• There is all the same type of seeds in the experiment.

• What type of soil are the seeds planted in?

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According to the data table, as the amount of water given increased, the growth of plants ​ (a)   .

• Decreased

• Stayed the same

• Increased

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Maya designed an experiment to answer the following question: How does the amount of water given to a lima bean seed affect how tall it grows? In this experiment, what variable should Maya CHANGE?

• the amount of water

• the kind of plant

• the type of soil

• the amount of sunlight it gets

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NGSS.MS-LS1-5

What is the independent variable (cause) is this experiment? "Which type of medium (soil or sand) is best for plant growth?"

• height of plant (cm)

• type of medium (soil or sand)

• amount of medium (soil or sand)

• types of plant

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