Where does all the extra mass come from ? On the Farm 9C Where does all the extra mass come from ? 1.6 g 1500000000 g

On the Farm 9C Know what photosynthesis is -3 Know what 3 things you need for photosynthesis -3 To be able to give the word equation for photosynthesis (5) To be able to give the symbol equation for photosynthesis (6) To be able to balance the symbol equation for photosynthesis (7) Compare different cells and LINK their structure to their location on a plant.5-6 To use evidence to explain where a tree gets its mass from 7

Know what photosynthesis is -3 Know what 3 things you need for photosynthesis -3 http://www.youtube.com/watch?v=wj8TGhcCnxs&feature=related Listen to the song. What is photosynthesis? What 3 things do you need for photosynthesis? Where in the plant does photosynthesis take place?

Things needed for photosynthesis SUNLIGHT Gives the plant energy CHLOROPHYLL The green stuff where the chemical reactions happen WATER Travels up from the roots CARBON DIOXIDE Enters the leaf through small holes on the underneath 05/07/2019

Photosynthesis happens in the “palisade” cells in the leaf: Source: BBC Bitesize Palisade cells 05/07/2019 5

Close up on a palisade cell: Cell wall Cell membrane Chloroplasts (containing chlorophyll) Large vacuole Nucleus Cytoplasm 05/07/2019 6

Photosynthesis equation challenge Carbon dioxide + _____ glucose + _____ ____ + ____ C6H12O6 + _______ Sunlight Chlorophyll The GLUCOSE produced by photosynthesis is used by the plant for _______ (through ____________). It is stored in the plant as ___________. Words – respiration, starch, water, oxygen, energy 05/07/2019

Photosynthesis the basics what you need on your poster! The three things a plant needs for photosynthesis are (3) __________ ___________ The word equation for photo synthesis is (4) The symbol equation for photosynthesis is (5) _____________ The balanced symbol equation for photo synthesis is (6-7) Level 7. (page 32) Where did Aristotle think plants got their mass? How did van Helmont disprove him? Where do we know know plants get there mass from ? ______________________

Compare different cells and LINK their structure to their location on a plant (5-6) Look at both types of cells under the microscope Then answer the questions on the work sheet Glue the worksheet to the other side of your card.

Task 1 Paint a small strip of clear nail varnish on the UNDERSIDE of a leaf.........all will be revealed later........

How does the plant get the water ? LARGE SURFACE AREA

How does the plant the water ? Specialised root hair cells LARGE SURFACE AREA THIN CELL MEMBRANE

How does the plant the water? 1. On the diagram label Xylem, Soil particles 3. Draw an arrow to show the movement of water. 4.Explain HOW xylems are formed. Copy and complete: P_________________ cells need water for p__________________. Water travels from the soil through the specialised ____________ ____________ ______________. Water then travels through the specialised x____________ up the s____________ of the plant to the l_______________. The water reaches leave cells by travelling along the v_____________ in the plant leaf.

If we had a microscope and could see particles, which picture would show the particles in air ?

Looking even harder: Air is made of different gas particles: How many different gases can you remember ?

1) Copy and complete: There are many d…………………. gas particles in air 1) Copy and complete: There are many d………………….. gas particles in air. Most are called …………………….. Some are called ……………………… And there are only a few called …………………….. 2) Draw a particle diagram of air. 3) underneath write how the particles are arranged and how they move. 4) Extension- show and label the different gases.

How does the carbon dioxide get into the plant ?

How do Plants get Carbon dioxide ? Plants and gases There are many d______________ gas particles in air. Most are called ________________ Some are called _______________ And there are only a few called _______________ A particle diagram of air. How do Plants get Carbon dioxide ? Holes (stomata) and guard cells in the underside of plant leaves under the microscope. Extension calculate magnification.

Extension Here is a picture of a “typical plant cell” Explain how a root hair cell, the xylem and guard cells are adapted to their jobs. Cell membrane Vacuole Cytoplasm NUCLEUS Cell Wall Chloroplast

1. Draw and label a palisade cell using the outline below 2 1. Draw and label a palisade cell using the outline below 2. Where are these cell found ____________ 3. How many cells can you count in the picture on the right?______________ 4. What are the “green organelles” called and what is their job ?_______________ _______________________________________________________________ 5.What is the difference between the two cells photographed above ? _______________________________________________________________ 6. Where might you find each type of cell ? ______________________________________________________________ Extension. What is the difference between chloroplasts and chlorophyll ?

Plenary give yourself a level Know what photosynthesis is -3 Know what 3 things you need for photosynthesis -3 To be able to give the word equation for photosynthesis (5) To be able to give the symbol equation for photosynthesis (6) To be able to balance the symbol equation for photosynthesis (7) Compare different cells and LINK their structure to their location on a plant.5-6 To use evidence to explain where a tree gets its mass from 7