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Interactive

Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...

Interactive

It's a drag

Investigate the braking efficiency of cars and trucks. Test stopping distances under controlled conditions. Compare effects of vehicle type, tyres, road surface and weather conditions. Choose driving speed, then apply brakes and compare stopping distances. Answer questions about friction, tyres and driver fatigue. This ...

Interactive

Energy-efficient house

Explore how the temperature inside a house is affected by air flowing in and out. Look closely at the energy effects of design variables in a house such as insulation materials, window coverings and window direction. Build a house with maximum energy efficiency by adjusting key design variables. Change the house design ...