New
New
Year 2

Plants without water

You can find out and describe what happens when plants do not have water.

New
New
Year 2

Plants without water

You can find out and describe what happens when plants do not have water.

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Lesson details

Key learning points

  1. Plants are living things, they need water to grow, stay alive and and keep healthy.
  2. Without water, a plant can dry out, drop leaves, lose its strength and begin to wilt.
  3. Changes in plant growth can be compared and described using observation skills.
  4. Different plants can survive without water for different amounts of time.
  5. Unhealthy plants without water can sometimes be recovered with water within a short period of time.

Keywords

  • Plant - A plant is a living thing that often has roots, stem and leaves.

  • Water - All living things need water to stay alive.

  • Survive - A plant will survive, or stay alive, when it has everything it needs.

  • Compare - When we compare, we look at what is the same and what is different about at least two things.

  • Record - We record in science to keep information so that it can be looked at again.

Common misconception

Pupils may think that plants need lots of water everyday

Remind pupils that different plants need different amounts of water, and a plant with too much, or not enough, water could become unhealthy

Pupils will be observing the plants growing without water since lesson 3. They will compare these to the plants growing with everything (water, warmth and light). They will add today's observations without water to their chosen method from lesson 4
Teacher tip

Equipment

Pupils will need equipment for their chosen method of recording (ipads, drawing materials etc.)

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
Plants need warmth, and light to grow.
Correct Answer: water
Q2.
Which thing is not living?
Correct answer: water
tree
tulips
Q3.
What does bloom mean?
Correct answer: When a flower opens.
When a flower closes.
When leaves turn green.
When leaves fall off.
Q4.
An unhealthy plant that can no longer stand strong, tall and straight has begun to .
Correct Answer: wilt, wilting, droop, flop
Q5.
When a plant begins to wilt, which part of the plant can no longer stand tall?
flowers
Correct answer: stem
roots
Q6.
Which part of a plant is shown in the picture?
An image in a quiz
leaves
stem
Correct answer: roots

6 Questions

Q1.
Which photo was taken of the grass after there was no rain for three weeks?
photo 1
photo 2
Correct answer: photo 3
Q2.
Match the amount of time to what happened to plants growing with no water.
Correct Answer:one day,plant is green, shiny and strong

plant is green, shiny and strong

Correct Answer:one week,plant looks dull and begins to wilt

plant looks dull and begins to wilt

Correct Answer:one month,plant is dry, crispy, floppy and wilted

plant is dry, crispy, floppy and wilted

Q3.
What type of living thing is a cactus?
An image in a quiz
human
other animal
Correct answer: plant
something else
Q4.
A cactus can grow in very dry conditions. Match special parts of a cactus with how it helps it to survive in dry weather.
An image in a quiz
Correct Answer:long roots,to grow down to 'search' for water

to grow down to 'search' for water

Correct Answer:large thick stem,to store water

to store water

Correct Answer:small leaves or spines ,to stop leaves from losing water and drying out

to stop leaves from losing water and drying out

Q5.
How might you know that a plant needs water?
The plant pot feels cold.
Correct answer: The soil feels dry.
The leaves look blue.
Q6.
Sofia spots this unhealthy plant and thinks it will die soon. What should she do?
An image in a quiz
Throw it away - it is wilted.
Cut its leaves off - they cannot be saved.
Correct answer: Water it - sometimes plants can be recovered with water within a short time.