GCSE Biology Limiting factors

Starter How many words can you find in 10 minutes?

Learning Outcomes

Photosynthesis; Limiting factors

ALL Know the three main factors affecting the rate of photosynthesis

MOST Describe the effects of each on the rate of photosynthesis

SOME Apply knowledge to answer questions

Limiting Factors Temperature Carbon dioxide concentration Amount of sunlight Amount of water The effect of last three can be seen on the animation

Limiting Factors

HSW artificial environment What are the benefits of artificially manipulating the environment to grow plants?

Products of photosynthesis Give a plant a little of this … and this … And a little sunshine and the plant gives us this … OXYGEN

Products of photosynthesis Sunlight Chlorophyll Carbon dioxide + Water Glucose + Oxygen Carbon dioxide + Water Glucose + Oxygen PHOTOSYNTHESIS AEROBIC RESPIRATION Needed for GROWTH, REPAIR and CELL ACITIVTIES

Sugar stored as starch If a plant makes too much of this….. … It can store it as STARCH e.g potatoes and wheat plants

ISA Testing for starch

Read the article from gardeners news

Using the information complete the table on page 12 (the functions of Magnesium and Nitrate and the effect on the plant)

Mineral Salts

Learning Outcomes

Photosynthesis; Limiting factors

ALL Know the three main factors affecting the rate of photosynthesis

MOST Describe the effects of each on the rate of photosynthesis

SOME Apply knowledge to answer questions

Plenary

Answer the practice exam question

GCSE Biology Limiting factors

0 comments

Notes on slide 1

Favorites, Groups & Events