Dancing sultanas Follow FizzicsEd 150 Science Experiments: Comments 0 You will need: Ten sultanas or raisins. 1L of Soda water 1 Plastic container Copyright Instruction 1 Pour the soda water into the container. 2 Gently add the sultanas one at a time to the soda water. 3 Watch them float to the surface and drop down over and over again. When will this movement stop? Why? 4 School science visits since 2004! – Curriculum-linked & award-winning incursions. – Over 40 primary & high school programs to choose from. – Designed by experienced educators. – Over 2 million students reached. – Face to face incursions & online programs available. – Early learning centre visits too! 5 Online courses for teachers & parents – Help students learn how science really works Why Does This Happen? Soda water contains a large amount of dissolved carbon dioxide. Pouring the soda water into the container helped to release this gas in the form of bubbles. The bubbles are less dense than soda water, so they rise to the surface. The bubbles connect themselves to the sides of the sultanas, providing a buoyant force to help to raise the sultanas to the surface. On reaching the surface the bubbles pop, thereby reducing the buoyant force on the sultanas and they fall back down again. Variables to test More on variables here Try dried sultanas, cranberries, blueberries, apricots and other dried fruit and compare the difference. Does it matter which carbonated drink you use? Can you make this observed effect work with materials other than dried fruit? Applications Marine archaeologists fill bags with gas so they can raise shipwrecks and sunken treasure! Learn more! Teaching about Newton’s laws? Check out the Forces, Friction & Movement workshop! Get in touch with FizzicsEd to find out how we can work with your class. Working with Water Years K to 2 Maximum 30 students School workshop (NSW & VIC) 60 or 90 minutes Online Class Available Read More Enquire Now STEM Full Day Accelerator - Primary Designed from real classroom experiences, this modular day helps you create consistently effective science learning that directly address the new curriculum with easily accessible and cost-effective materials. Read More Enquire Now Be Amazing! How to teach science, the way primary kids love. $29.95 inc. GST View Details Add to Cart Trustpilot
Watch them float to the surface and drop down over and over again. When will this movement stop? Why?
School science visits since 2004! – Curriculum-linked & award-winning incursions. – Over 40 primary & high school programs to choose from. – Designed by experienced educators. – Over 2 million students reached. – Face to face incursions & online programs available. – Early learning centre visits too!
Teaching about Newton’s laws? Check out the Forces, Friction & Movement workshop! Get in touch with FizzicsEd to find out how we can work with your class.
Working with Water Years K to 2 Maximum 30 students School workshop (NSW & VIC) 60 or 90 minutes Online Class Available Read More Enquire Now
STEM Full Day Accelerator - Primary Designed from real classroom experiences, this modular day helps you create consistently effective science learning that directly address the new curriculum with easily accessible and cost-effective materials. Read More Enquire Now
Designed from real classroom experiences, this modular day helps you create consistently effective science learning that directly address the new curriculum with easily accessible and cost-effective materials.
Be Amazing! How to teach science, the way primary kids love. $29.95 inc. GST View Details Add to Cart Trustpilot
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