Search results

Refine results by

Year level
Resource type
Learning area

Refine by topic

Main topic Specific topic Related topic
Listed under:  Science  >  Scientific inquiry  >  Experiments  >  Test validity
Interactive resource

Osmosis in potatoes

Compare osmosis in potatoes placed in three different sugar solution concentrations to find out how osmosis affects the turgidity of plants. Place strips of peeled potato into pure water, 20% sugar solution and 40% sugar solution. Measure the change in length in each case using a digital calliper. Record the data in the ...

Assessment resource

Fair test: design a fair test: assessment

Test your understanding of experiments in a plant research laboratory. Investigate the effects of variables on the growth of tomatoes. Examine the effect of temperature on growth. Research the answers to questions about how to achieve optimum hydroponic growth conditions.

Assessment resource

Fair test: use a fair test: assessment

Assess your ability to set up a scientific fair test to investigate the effects of light duration on the growth of tomatoes. Analyse the results and decide the best answer to a customer's question about how much light is needed to grow tomatoes successfully.