Photosynthesis

Task 3b: Make notes that:

• Describe what  plants need to stay alive

• Describe how  plants get food

• Explain how plants use food

• Explain why plants are producers

Task 4b: Make notes that:

• Identify the reactants and products of photosynthesis.

• Give the word equation for photosynthesis.

• Compare the word equations for photosynthesis and respiration

Task 5b: Make notes that:

• Describe the products of photosynthesis

• Give the chemical we can use to test leaves for starch

• Describe a positive result for the presence of starch 

Task 6b: Make notes that:

• Describe the role of the roots in photosynthesis

• Give the adaptation of the root cells for absorbing water

• Name the cells that transport water

• Describe transpiration 

Task 7c: Make notes that:

• Describe the structure of a leaf.

• Draw and label a leaf.

• Explain how the leaf is adapted for photosynthesis.  In particular:

  • Explain why the palisade mesophyll layer contains lots of chloroplasts

  • Explain why the spongy mesophyll layer has air spaces.

Task 7d:  Explain how the structure of the leaf is adapted to its role in photosynthesis.  Your answer should include information about the process of photosynthesis and the names and role of the specialised cells involved.

Task 8b: Make notes that:

• Plan an investigation to test the rate of photosynthesis.

• List different factors that affect the rate of photosynthesis.

• List the 3 different variables. 

Complete the end of unit quiz to check you understand this topic.