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Incredible Shrinking Shapes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
A Cubic Foot Per Second
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In this activity, learners measure and calculate the amount of cubic feet various containers contain. Next, learners investigate cubic feet per second (cps), by carrying jugs in one second.
How Big is Small
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In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.
Scaling an Atom
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In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!
Percentage of Oxygen in the Air
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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.
Having a Gas with Cola
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In this activity, learners measure the amount of carbon dioxide in a carbonated drink.
Mystery Jars: Estimate Contents
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This activity puts a mathematical twist on the familiar “guessing jar.” No guesses allowed, estimates only.
Gummy Growth
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In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.
Mystery Jars: Make Your Own: Estimating and Counting
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Learners make a counting/estimating jar to exchange with friends or bring home.
Going Green
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In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.
Pour Some: Measure Serving Size
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Make snack time into measuring time and learn to read Nutrition Facts labels. Try this when you’re using “pourable” foods, such as cereal, yoghurt, or juice.
Burn a Peanut
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In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut.
Sizing Up Temperature
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In this activity, learners explore Charles' Law in a syringe.
Double or More
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Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?
Cookie Surface Area
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This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.
Greeting Card Boxes
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In this activity, learners make cool boxes out of old (or new) greeting cards or postcards.
Mass of the Earth
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In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth.
Water, Water Everywhere
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In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea
Size, Mass, Area, and Volume
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In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater.