Why do plants need water?
Plants need water to make food and to stay standing up tall.
Pip’s answer
- Plants need water to make food and to stay standing up tall.
- Roots drink water from the soil, and it travels up the stem like a straw. Slurp!
- Water fills the plant up, like air in a balloon, so it doesn't droop.
- Wow-ee, a big tree can drink more water in a day than a whole bathtub holds!
Try it together
Can you droop like a thirsty plant, then stand up tall?
For grown-ups
Plants use water for photosynthesis, to carry nutrients from the soil up through the stem, and to keep their cells firm. Water pressure inside cells holds a plant upright, which is why thirsty plants wilt. Most water eventually evaporates out of leaves, a process called transpiration.
Ask your child: Shall we water a droopy plant and watch it perk up?
More questions kids ask
- 🌱Why do plants need sunshine?
- 🌱Why do seeds grow?
- 🌧️Why does it rain?
- 🍂Why do leaves change color?
- 🌻Why do sunflowers face the sun?
- 🍎Why do apples grow on trees?
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