Clip description Keywords
Adaptations of the leaf for photosynthesis
Adaptations of the leaf for photosynthesis

Duration: 03:13

An explanation of how leaves are adapted for photosynthesis. An animation of the internal structure of a leaf is seen.

 
Food as a Fuel
Food as a Fuel

The screaming jelly baby demonstration is used as a stimulus for a discussion of the energy content of foods.

 
How commercial growers improve crop yield.
How commercial growers improve crop yield.

Duration: 04:44

Knowledge of limiting factors affecting the rate of photosynthesis has enabled commercial plant growers to manipulate growing conditions and improve quality and yield in the crop plants.

 
Light and starch production
Light and starch production

Duration: 05:16

Julius von Sachs carried out experiments on leaves using iodine to demonstrate that light is needed for plants to make starch.

 
Parts of plants
Parts of plants

Duration: 01:34

A brief introduction to the structure of plants. The functions of the parts of plants are discussed and photosynthesis is mentioned.

 
Photosynthesis
Photosynthesis

A definition and description of photosynthesis through rap and practical demonstration.

 
Photosynthesis in plant leaves
Photosynthesis in plant leaves

Duration: 02:34

A comprehensive introduction to photosynthesis in plant leaves. The equation for photosynthesis is shown.

 
Photosynthesis in plants
Photosynthesis in plants

Duration: 01:36

Definition of the photosynthesis equation, identifying raw materials and products.

 
Plant photosynthesis
Plant photosynthesis

Duration: 01:14

An animated description of the process of plant photosynthesis.

 
Plants and photosynthesis
Plants and photosynthesis

Duration: 03:12

An explanation of photosynthesis explaining the reactants and products, where the process occurs and its importance to plants.

 
Plants and photosynthesis
Plants and photosynthesis

Duration: 01:51

An explanation of the equation for photosynthesis. The difference between photosynthesis and respiration is discussed.

 
Producton of oxygen in plants
Producton of oxygen in plants

Duration: 04:38

A recreation of Jan Ingenhousz' experiment demonstrating the production of oxygen from plants.

 
The limiting factors of photosynthesis
The limiting factors of photosynthesis

Duration: 02:06

An explanation of the three limiting factors in photosynthesis. Graphs of the rate of photosynthesis are explained.

 
The products of photosynthesis
The products of photosynthesis

Duration: 02:26

An explanation of the uses of photosynthesis products for plants and humans.

 
The work of Calvin and Benson on photosynthesis.
The work of Calvin and Benson on photosynthesis.

Duration: 05:30

The work of Benson and Calvin established the biochemical processes involved in the light independent pathways of photosynthesis.

 
Why do leaves change colour in autumn?
Why do leaves change colour in autumn?

Duration: 03:39

Kate Humble and Chris Packham explain why leaves change their colour in autumn.

 

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