Transcript Unit 3E: Magnets and Springs

Unit 3B: Helping Plants Grow Well
Unit 3B: Helping Plants Grow Well
Unit 3B: Helping Plants Grow Well
Helping plants grow well
Unit 3B: Helping Plants Grow Well
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
Unit 3B:Vocabulary
Unit 3B: Plants for Food
carrots
onion
leek
pumpkin
peas
lettuce
tomato
potatoes
Why is it important for plants to grow well?
Unit 3B: Plants for Food: L.O. 1: N.C.
Unit 3B: Do Plants need leaves to grow?
What parts make up a
plant?
leaves
stem
roots
Unit 3B: Do Plants need leaves to grow? L.O. 2, 3, 4, 5: N.C
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?
Unit 3B: Do Plants need leaves to grow? L.O. 2, 3, 4, 5: N.C
Unit 3B: What do the roots do?
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
Unit 3B: What do the roots do? L.O. 6, 7, 8, 9: N.C.
Unit 3B: What does the stem do?
What does the stem do?
Celery
Xylem tubes
(like tiny drainpipes)
Coloured water
Unit 3B: What do the roots do? L.O. 6, 7, 8, 9: N.C.
Unit 3B: Summary
Healthy plant
Unhealthy plant
Unit 3B: Summary: L.O. 10
Unit 3B: Water, water everywhere
We know plants need water to be healthy. But can they have too much water?
No water
5
50 cm3
20 cm3
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
no water
5 cm3
20 cm3
50 cm3
Unit 3B: Water, water everywhere: L.O. 11, 12, 13
Day 7
Day 9
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?
Unit 3B: Water, water everywhere: L.O. 11, 12, 13
Unit 3B: How much evidence do we need?
How much evidence do we need?
After 10
2 days
4
6
days
Unit 3B: How much evidence do we need? L.O. 14: N.C.
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?
Unit 3B: How much evidence do we need? L.O. 14: N.C.
Unit 3B: Plants and Light
Unit 3B: Plants and light: L.O. 15, 16: N.C.
Unit 3B: Plants and Light
Paving stone
Healthy grass
Unhealthy grass
Unit 3B: Plants and light: L.O. 15, 16: N.C.
Unit 3B: Plants and Temperature
Plants and Temperature
Fridge
Room
temperature
Greenhouse
Which room is warmest?
Which plant do you think will grow the best?
Would this be a fair test?
Unit 3B: Plants and Temperature: L.O. 17, 18, 19, 20: N.C.
Unit 3B: Summary
take in
through roots
transported
through stem
too much
damages plant
can provide
food
water
plants
Helping plants
grow well
temperature
some grown
just for this
need
healthy
roots
leaves
stem
growth
light
Unit 3B: Summary