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Observing Different Microbes
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In this activity, learners use a microscope to examine three different microbes: bacteria, yeast and paramecia. Educator will need to prepare the yeast solution one day before the activity.

Potion Commotion
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In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.

Spaghetti Strength
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In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.

Sugar Crystal Challenge
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This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.

Does Your Chewing Gum Lose Its Flavor?
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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.

Soggy Science, Shaken Beans
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Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.

Keep it Cool
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In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

Living Bones, Strong Bones
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In this activity about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh

Neural Network Signals
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In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.

Make a Comet Model and Eat It!
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In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

Milli's Insulation Investigation
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In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

Sail Car Design
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This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.

Breaking Up with Combustion
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This activity teaches combustion as the interaction of a fuel source and oxygen.

Exploring at the Nanoscale
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This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.

Trash Talkin'
In this activity, learners collect, categorize, weigh and analyze classroom trash and discuss ways that engineers have helped to reduce solid waste.

Investigating and Using Biomass Gases
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In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases.

Electricity: Fruit Batteries
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In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.

Cleaning Water with Dirt
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In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.

The Parachuting Egg
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In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.

Herbal Medicines
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In this open-ended multicultural lab activity, learners investigate the effectiveness of herbal remedies.