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Learners observe different paper samples under ordinary room light and under a black light to learn some of the chemical differences between different types of paper.

In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

In this activity about magnetism (page 17 of the pdf), learners experiment with magnets, exploring the concept of diamagnetic materials by seeing how a grape reacts to a magnetic field.

In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.

Many people get water from a source deep underground, called groundwater.

Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).