Monthly Archives: February 2018
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February 24, 2018
The Mouldy Bread Experiment
Learning Objectives:
- Students will develop and/or refine their skills in designing and conducting experiments.
- Students will understand the factors that promote and prevent the growth of mold on bread.
Equipment required (per student or pair of students):
- 2 slices of bread each cut into halves.
- 4 small ziplock bags
- 4 sticky labels and pen
- Access to water, a fridge and perhaps a toaster (optional)
Some moldy bread in a sealed bag for demonstration purposes.
Procedure:
Show the mouldy bread to the students to prompt a discussion. (You could give it a little backstory, e.g. ‘I wanted to make toast for breakfast this morning, but look what
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February 18, 2018
If you thought vinegar and bicarb were only good for making messy, oozy volcanoes, think again! Turn an empty cream container into an exciting, explosive rocket with this classic acid/base reaction.
Suitable for ages 13 +, best used as a demonstration because of the speed and danger of the projectileYou Need:
- ¼ cup of vinegar
- 600ml empty, clean cream container
- 1 tablespoon of bicarb powder
What to do:
- Add approximately ¼ cup of vinegar (acid) to a 600ml empty, clean cream container.
- Then, add one heaped tablespoon of bicarb (base).
- Quickly push the cream lid on, and point the container away from you face, and other people
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February 18, 2018
Create a human sized scale model of the solar system with your students.
Learning Objectives:
- For students to develop an understanding of the positions of the planets in the solar system, both relative to each other, and also their position and distance from the sun.
- For students to gain a practical meaning of the words ‘rotation’ and ‘revolution’ and how those words apply in the context of the movement of planets.
You Need:
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A large open space, such as a park or football field
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A long measuring tape (such as one used to mark out a sporting field).
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Possibly also a whistle or even a megaphone!
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