Crash Course Kids #27.1: Who Needs Dirt?

What do plants need to survive? Check all that apply.

• Water

• Nutrients

• Light

• Soil

• Pebbles

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A resource is ______________________.

• A man-made material

• Something found from long ago

• A useful material that can be drawn from when needed

• A material found in outer space

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Organs are ______________________________.

• collections of cells found in nature

• cells in the human body

• only found in monkeys

• Special body parts that perform a specific function

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Which one is NOT an example of an organ?

• stomach

• lungs

• hands

• intestines

Photosynthesis is ______________________.

• the process plants use to turn light energy into chemical energy

• taking photos and making a collage

• turning photos into a movie

• using light to reduce the height of plants

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Where is chlorophyll formed?

• roots

• stem

• leaf

• petal

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In which plant organ does most of the photosynthesis take place?

• Roots

• Leaf

• Stem

• Petal

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What is the main job of the stem?

• to help the flower look pretty

• to transport materials between roots and leaves

• to keep the plant firm in the ground

• to allow photosynthesis to take place

What is the main job of the roots?

• to transport materials between the roots and leaves

• to allow photosynthesis to take place

• to help the flower look pretty

• to hold the plant in place and absorb water and minerals

Hydroponics is ________________________.

• any means in which a plant grows without soil

• where a plant grows without water

• the act of adding water to a flowering pot

• making sure to water the grass everyday