1. Unit 3B: Helping Plants Grow Well

2. Unit 3B: Vocabulary slide
Yellow
some plants appear yellow if they are not healthy
Pale
a plant with no colour will look pale.
Thin
like the legs on your school chair
Spindly
thin and often crooked V
Unit 3B:Vocabulary

3. Unit 3B: Plants for Food: L.O. 1: N.C.
carrots
leek
pumpkin
onion
peas
potatoes
tomato
lettuce
Why is it important for plants to grow well? ?
Unit 3B: Plants for Food: L.O. 1: N.C.

4. Unit 3B: Do Plants need leaves to grow?
What parts make up a plant?
leaves
stem
roots D
Unit 3B: Do Plants need leaves to grow? L.O. 2, 3, 4, 5: N.C

5. Unit 3B: Do plants need leaves to grow?
We have a number of geraniums. How do you think we can use them to see if the leaves are needed for the plant to grow?
How can we measure how much each plant grows?
How can we record these results?
Can you put these into a chart or graph?
What do your results tell you? I
Unit 3B: Do Plants need leaves to grow? L.O. 2, 3, 4, 5: N.C

6. Unit 3B: What do the roots do?
Rain falls and soaks into the ground
Water travels up the stem to
the leaves
Roots soak up the rainwater D
Unit 3B: What do the roots do? L.O. 6, 7, 8, 9: N.C.

7. Unit 3B: What does the stem do?
Celery
Xylem tubes
(like tiny drainpipes)
Coloured water D
Unit 3B: What do the roots do? L.O. 6, 7, 8, 9: N.C.

8. Healthy plant Unhealthy plant S Unit 3B: Summary
Unit 3B: Summary: L.O. 10

9. Unit 3B: Water, water everywhere
We know plants need water to be healthy. But can they have too much water?
No water
5 cm3
50 cm3
20 cm3
Do you think that each of the seeds will grow the same if you add the amounts of water each day? We will measure the plants every 2 days
Amount of water
Day 1
Day 3
Day 5
Day 7
Day 9
no water
5 cm3
20 cm3
50 cm3 I
Unit 3B: Water, water everywhere: L.O. 11, 12, 13

10. Unit 3B: Water, water everywhere
Do all the seeds grow the same?
Can too much water be added to a plant?
What evidence do you have for this?
How did you keep the test fair? I
Unit 3B: Water, water everywhere: L.O. 11, 12, 13

11. Unit 3B: How much evidence do we need?
After 10 days
After 6 days
After 2 days
After 4 days D
Unit 3B: How much evidence do we need? L.O. 14: N.C.

12. Unit 3B: How much evidence do we need?
How many seeds do you think we should use?
Why do you think this?
How many days do you think is enough days?
Why do you think this? D
Unit 3B: How much evidence do we need? L.O. 14: N.C.

13. Unit 3B: Plants and Light
Unit 3B: Plants and light: L.O. 15, 16: N.C.

14. Unit 3B: Plants and Light
Paving stone
Healthy grass
Unhealthy grass D
Unit 3B: Plants and light: L.O. 15, 16: N.C.

15. Unit 3B: Plants and Temperature
Room
temperature
Greenhouse
Fridge
Which room is warmest?
Which plant do you think will grow the best?
Would this be a fair test? I
Unit 3B: Plants and Temperature: L.O. 17, 18, 19, 20: N.C.

16. Helping plants grow well
Unit 3B: Summary
take in
through roots
can provide
food
transported
through stem
plants
water
too much
damages plant
need
healthy
some grown
just for this
Helping plants
grow well
roots
growth
leaves
stem
temperature
light S
Unit 3B: Summary