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In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

Yes, you can weigh your car by figuring out your wheel's tire pressure combined with the "tire's footprint." You'll need someone with a car, driver's license, and safety in mind.

In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity.

Learners measure a bottle full of air, and then use a vacuum pump to remove the air. When they re-weigh the bottle, learners find the mass is about 0.8g less.

In this activity you'll see how the sun's tilt on its axis changes the length of shadows. For example, why is your shadow longer in winter than in summer?

In this activity, learners investigate how geometry plays a role in perspective.

In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

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.