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Articles tagged as "Movement in and out of cells"

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Ins and Outs of Water - biology, chemistry and physics for 11-14 students

Ins and Outs of Water - biology, chemistry and physics for 11-14 students

This collection of resources for 11-14 students uses the topic of plants to address important scientific ideas in biology, chemistry and physics. While investigating how plants have evolved to grow and flourish in many different environments, the students can cover topics including pure and impure substances, energetics, forces, physical changes and more. The resources involve a mixture of independent investigations, engaging and hands-on practicals, and activities to identify misconceptions and strengthen understanding.


Biology animations - transport of water and sugar, respiration and photosynthesis and cell growth in plants

Biology animations - transport of water and sugar, respiration and photosynthesis and cell growth in plants

Animations on key topics in plant biology, including photosynthesis, xylem and phloem, and cell growth and division.


Using Onions in the Lab

Using Onions in the Lab

Onions are easy and cheap to source, and make a great resource for looking at cell structure, particularly stomata, and for extracting DNA.


Using Garlic in the Lab

Using Garlic in the Lab

Garlic can provide a useful and easy-to-source resource for the biology lab, for looking at topics including mitosis and the cell cycle.


Using Beetroot in the Lab

Using Beetroot in the Lab

Beetroot make a useful and easily available resource for the science lab, for topics including cell structure, plasmolysis and membrane permeability.


Using Potatoes in the Lab

Using Potatoes in the Lab

Potatoes make a reliable and easy to obtain resource for key practicals such as investigating osmosis.


Measuring Stomatal Density

Measuring Stomatal Density

Stomata control the movement of gases in and out of a leaf, making carbon dioxide available for photosynthesis, and controlling the loss of water from the leaf through transpiration. There are a number of ways to measure stomatal density, and the different techniques are explored here. These include using clear nail varnish, Germolene New Skin and water-based varnish.

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