Plants: Structure & Function, Exams of Plant pathology

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Pupil Workbook

Year 3, Unit 4

Science

Plants: Structure

& Function

Name:

Formative Assessment Scores

Notes:

Knowledge Quiz 4.

Knowledge Quiz 4.

Knowledge Quiz 4.

Knowledge Quiz 4.

Knowledge Quiz 4.

anther

stamen

petal

sepal

ovule

ovary

pistil

Science: Plants – The Functions of Parts Knowledge Organiser

What do plants need to grow? Plants need air, light, water, warmth, nutrients and room to grow. A healthy plant will survive because it can makeits own food. All of the parts of the plant have a special function so that it can continue to stay healthy. Each plant has roots, a stem and leaves. Flowering plants also produce flowers and seeds.

What is pollination? Pollination is when the pollen from the male part of one plant is moved to the female part of another plant. Thisallows the plant to produce seeds. Insects like bees help with pollination.

What is inside a flower? Most flowering plants have flowers which have both male and female parts. In this picture, the anther and stamen aremale parts and the pistil, ovary and ovule are female parts. The petals help attract insects who move the pollen from this flower to a different flower.

What is the lifecycle of a flowering plant? Flowering plants have lifecycles like all other living things— including us! A flowering plant will begin life as a seed — the roots and shoot will then begin to grow. We call this germination. The plant will then grow and produce flowers. Pollination happens next so that seeds can be produced and fertilised. The plant will then disperse the seeds so that newplants can grow.

What is seed dispersal? Once seeds have been made, they need to be dispersed so that new plants can grow. Seed dispersal makes sure that the new plants are growing away from the parent plant so that they are not competing for water, sunlight and other nutrients. Some types of seed dispersal will move the new plant a long way away from the parent plant. They can be dispersed in four different ways: wind, water, animals and explosion. How are seeds dispersed?

dandelions are specially^ Seeds from plants like carried long distances by thedesigned so that they can be wind. Another example is theseed of a sycamore tree.

Coconuts are seeds from palmtrees and seeds like this are they can float on water to newspecially designed so that places. Another example is theseed of a waterlily plant.

dispersal in different ways.Animals help with seed When they eat seeds, they passthrough them and are excreted seeds are designed to stick toin new places. Also some animals so they can be carriedto new places.

seed pods when they are readySome plants can burst their to new locations. An exampleto and throw their own seeds of this is a pea pod.

flower

leaf

roots

stem

What is photosynthesis? Photosynthesis is how we explain how a plant can make its own food. The leaves of the plant are the key part in this process. The plant uses water, sunlight and carbon dioxideto produce sugar (which is food for the plant.) In this process, the plant also produces oxygen —which is really good for us!

Glossary 1 flower (n) The reproductive part of the plant. 2 stem (n) The main body of the plant. 3 root (n) Lies under the soil to attach the plant tothe ground. 4 leaf (n) Attaches to the stem and helps producefood. 5 shoot (n) The part of a new plant that is justbeginning to grow above ground.

6 water transportation (n)^ How the plant takes water from theground through the roots and then up the stem to the leaves. 7 nutrients (n) What the plant needs so that it can stayhealthy and can grow. 8 photosynthesis (n) How the plant makes its own food. 9 seed (n) Grows into a new plant. 10 life cycle (n) The changes a living thing goes throughduring its life. 11 pollination (n) The moving 0f pollen from one plant toanother for fertilisation. 12 fertilisation (n) Happens after pollination and is how anew seed is made. 13 seed dispersal (n) The moving of seeds away from theparents plant. 14 food chain (n) Shows how each living thing gets foodwithin its own habitat. 15 producer Any kind of green plant – a producer is the first food source in the chain. 16 consumer Cannot make its own food – a consumereats something else in the chain. 17 herbivore An animal that only eats plants. 18 carnivore An animal that only eats meat. 19 omnivore An animal that eats both plantsand meat. 20 function The purpose of something –the job it has to do.

What is the function of the plant parts?

Root Stem Leaf Flower The roots anchor the plant water and nutrients. They alsointo the ground and absorb store some food for the plant.

The stem transports water and nutrients from the roots to theleaves. It also holds the plant up towards the sunlight.

The leaves produce food for carbon dioxide and water andthe plant. They use sunlight, this is called photosynthesis.

The flower is the part of the plant that makes seeds sothat new plants can grow. The petals attract beesfor pollination.

Existing Knowledge

Why do plants have different parts and what do they need in order to grow?

Session 1:

What does a plant need in order to grow?

Key Knowledge Key Vocabulary

• The requirements of plants for life and growth
• Investigations should be a fair test
• Predictions are made at the beginning of an investigation - Nutrients - Fertiliser - Bean - Light

Task: (Talk Partners) What can we deduce about these plants from this picture?

4. What is a fair test and how are you making this test fair?

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Bean Diary

What does a plant need in order to grow?

Each week, check on your bean plants and record what you can see by drawing and writing a short description of each

Week 1:

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Week 2:

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Week 5:

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Week 6:

Results:

Picture of bean plant How was the plant kept and how did it grow?

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Session 2:

Why do plants have roots?

Key Knowledge Key Vocabulary

• Plants have roots for specific reasons
• Roots are integral to the survival of a plant
• Roots anchor plant into the ground
• Roots absorb water and nutrients
• Roots can adapt to their environment
  • Anchor
  • Absorb
  • Survival
  • Adapt
  • Environment

Knowledge Quiz 4.

1. What is the section of our investigation where we make an educated guess about what **will happen?

2. What does a test need to be so that our results can be compared?
3. How many changes can we make in order for an experiment to be a fair test?
4. Plants are living things:
5. Which of these are parts of a plant?**

Conclusion Prediction Method Guess

Even Reflective Fair (^) Exciting

True False

Roots Stem Leaves (^) Flower

Were the roots easy to dig up? What does this tell you?

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Cut the roots. How do they feel? What does this tell you?

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Independent Task: Why do plants have roots and what would happen without them?

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Session 3:

Why do plants have a stem?

Key Knowledge Key Vocabulary

• Plants have a stem for specific reasons
• A stem is integral to the survival of a plant
• A stem transports water from the roots
• A stem supports the plant
• We can investigate the stems of plants
  • Stem
  • Water transportation
  • Support
  • Distributed
  • Conclusion

Knowledge Quiz 4.

**1. What is the name of a part of a plant we can find underground?

2. What are the functions of roots?** Circle two **3. What is the name of roots that can store water for longer periods of time?
3. What is the name of roots that can search for water over larger distances?
4. How many changes can we make in order for an experiment to be a fair test?**

Stem Root Leaf Flower

Absorbing water Attracting insects Anchoring Looking forworms

Surface roots Longer roots Tropical zone Tuberous roots

Surface roots Longer roots Tropical zone Tuberous roots

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Fair Test:

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Draw your investigation and label the equipment you used:

Prediction:

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Independent Task: Draw what your flowers look like now:

Conclusion:

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