Plants: Structure & Function Year 3, Unit 4 Session 2
Unit 4 Session 2 Workbooks page 9 Do Now: Quiz 4.1
Unit 4 Session 2 Workbooks page 9 Do Now: Quiz 4.1
UNIT OVERVIEW 1 What does a plant need in order to grow? 2 Why do plants have roots? Session Number 3 Why do plants have a stem? 4 Why do plants have leaves? 5 Why do some plants produce flowers? 6 What is the life cycle of a flowering plant?
UNIT OVERVIEW 1 What does a plant need in order to grow? 2 Why do plants have roots? Session Number 3 Why do plants have a stem? 4 Why do plants have leaves? 5 Why do some plants produce flowers? 6 What is the life cycle of a flowering plant?
Unit 4: Session 2 Why do plants have roots? Key Knowledge: Key Vocabulary: Plants have roots for specific reasons Anchor Roots are integral to the survival Absorb of a plant Survival Roots anchor plant into the Adapt ground Environment Roots absorb water and nutrients Roots can adapt to their environment
Thought Task Where are the roots of these plants? What do you know about roots?
Investigating roots: These plants have been dug out of the ground. Look at their roots.
Investigating roots: Do you think it was easy to dig them up? Why not?
Investigating roots: What does this tell us about roots?
Investigating roots: If you cut the roots of a plant after digging it up they are usually wet.
Investigating roots: Why do you think the roots are usually wet?
Investigating roots: Answer the questions using the sentence stems shown Roots are difficult to dig up because ……. Workbooks R oots usually feel _________, this is because ……. page 11
Investigating roots: Why was the plant difficult to dig up? The plant was difficult to dig up because the roots were holding it tightly into the soil and also holding the soil really close to the plant. We call this anchoring the plant into the ground and it is one of the functions of the roots. Why were the roots wet when they were cut? The roots were wet when they were cut because the other function of roots is to absorb and store water from the soil.
Do you think all roots look the same? Longer roots Roots closer to can absorb the surface can water from absorb surface deeper water in underground addition to water underground More fibrous Tuberous roots roots can can store water search for for longer water over periods of time larger distances Why might these roots be different?
Investigating roots: Watch the video and listen carefully to the information
Investigating roots: Watch the video and listen carefully to the information
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Investigating roots: Read the statement and decide if it is true or false
Why do plants have roots? What would happen without them?
Investigating roots: Answer the question using the word bank to help you Word bank water downwards nutrients grow soil 4 jobs stand up store Workbooks anchor function absorb fibrous page 11
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