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Listed under:  Science  >  Matter  >  Chemical elements  >  Nonmetals  >  Oxygen
Moving Image

Getting iron out of breakfast cereal

You probably know your body needs iron and that you can get it from the foods you eat. Join the Surfing Scientist team as they attempt to extract iron from a bowl of breakfast cereal. What method do you think they will use?

Interactive resource

Take a deep breath

Watch what happens inside the human body during physical activity. Look at diagrams of the human circulatory and respiratory systems. Explore the functions of major organs and tissues. Examine animations showing how a person breathes and how the heart pumps blood around the body. Predict the effects of walking or running ...

Interactive resource

Slime emergency

Restart the engine of a spaceship. Identify four materials that can be used as a liquid fuel. Test the state of materials at different temperatures.

Interactive resource

Mine rescue

Rescue three miners trapped by fire. Select and test gases to find out which gas will put out the fire and which gas the miners can breathe.

Interactive resource

Body parts: respiratory system

Follow the journey of air as it is breathed in through human airways to the lungs. Find out how oxygen is absorbed and moved around the body, while carbon dioxide is produced and breathed out. See how the diaphragm causes the chest to expand during breathing. Test your knowledge by placing body parts onto a diagram of the ...

Interactive resource

Effects of light intensity on photosynthesis

Find out how light intensity affects the rate of photosynthesis in a plant. Adjust the light intensity of a torch beaming on a water plant and then observe how this affects the oxygen flow. Measure the amount of oxygen produced by the plant at various light intensity rates using the oxygen flow meter. Record your data and ...

Interactive resource

Life science: photosynthesis lab

Explore the effect of environmental factors on the rate of photosynthesis in an aquatic plant. Manipulate environmental variables including light intensity, carbon dioxide levels, temperature, and the wavelength of light to find out how each affect the rate of photosynthesis. Record and analyse the results in tabulated ...

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Leaf section with stomata, mesophyll and epidermis

This colour image is a dissected cross-section of a leaf at 55 times magnification. It shows the structure of the leaf, the organisation of cells, spaces between some cells and some internal cellular features. The structure includes the epidermis, mesophyll and stomata cells.

Image

Stoma on surface of buttercup leaf

This photograph of a stoma (plural: 'stomata') and guard cells on a buttercup leaf was taken using a scanning electron microscope (SEM). Stomata are pores in the surface of a leaf. The stomata and guard cells regulate the gases entering and leaving a plant's leaf.

Interactive resource

How temperature affects the rate of respiration

This interactive is a simulation of an experiment comparing the amount of oxygen consumed by germinating peas at two different temperatures. The data are displayed in a table and on a graph.

Video

'RAAF Florence Nightingales: flying nurses', 1944-45 - asset 3

This is the third in a series of eight excerpts from a black-and-white newsreel produced by Cinesound titled 'RAAF Florence Nightingales: flying nurses'. The footage was probably produced between 1944 and 1945, and contains narration and music, but no sound effects. The voice-over explains that the Royal Australian Air ...

Video

'RAAF Florence Nightingales: flying nurses', 1944-45 - asset 4

This is the fourth in a series of eight excerpts from a black-and-white newsreel produced by Cinesound titled 'RAAF Florence Nightingales: flying nurses'. The film clip was probably produced between 1944 and 1945, and contains narration and music, but no sound effects. The voice-over explains that Royal Australian Air Force ...

Image

Oxygen molecule

This is a colour image of a model of a molecule of oxygen, O₂. In this model, two oxygen atoms are represented by red spheres held together by grey rods that represent a double covalent bond.

Moving Image

Rock recipes

Explore the different types of minerals inside rocks. See that most rock-forming minerals are made up of just two common elements. Discover that most minerals are made up of the same basic building blocks put together in different ways, and that this can explain some of their properties.

Interactive Resource

Respiration in Plants

This resource consists of automated illustrated slides with voice over presenting information about why plants need to respire, their need for oxygen and a comparison of when respiration and photosynthesis occurs.

Interactive Resource

Aerobic Respiration

This resource consists of 2 sets of automated illustrated slides with voice over presenting information about aerobic respiration and compares respiration with burning.

Interactive Resource

Gas Exchange in the Lungs

This resource consists of 5 sets of automated illustrated slides with voice over presenting detailed information and explanations about the process of gas exchange in the lungs and blood. There is an extensive use of animated diagrams to explain concepts. Terms such as diffusion and homeostasis are mentioned.

Interactive Resource

Fermentation

This resource consists of 2 sets of automated illustrated slides with voice over presenting information about fermentation and useful microorganisms. It includes the use of terms such as enzymes and anaerobic respiration.

Interactive Resource

Breathing and Respiration

This resource consists of five sets of automated illustrated slides with voice over presenting detailed information and explanations about the mechanism of human breathing and the respiration system.

Interactive Resource

Composition of inhaled and exhaled air

This resource consists of 2 sets of automated illustrated slides with voice over presenting information about how the process of respiration changes the composition of gases present in inhaled and exhaled air. The second set demonstrates experiments to show that carbon dioxide and water vapour are exhaled.