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In this activity about food safety and nutrition, learners investigate safe food preparation by making fruit ice cream.

Learners develop awareness and understanding of the daily air quality using the Air Quality Index (AQI) listed in the newspaper or online.

In this activity, learners construct possible food webs for six different ecosystems as they learn about the roles of different kinds of living organisms.

In this activity, learners will plot the distribution of various oozes using information from sediment maps.

In this coin math activity, learners sort and stack 100 (one hundred) pennies into piles of 5 pennies each, 10 pennies each, and 20 pennies each.

In this chemistry activity, learners explore whether matter is created or destroyed during a chemical reaction. They will compare the weight of various solutions before and after they are mixed.

In this activity, learners discover that our hands are not reliable thermometers.

In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to breathe.

En esta actividad sobre la exploración e investigación, los aprendices harán ventanas de burbujas.

This resource contains several mini-explorations using a slide projector as a light source to investigate light and the properties of images.

This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d

In this activity, learners participate in a simulated dig to discover fossilized dinosaur bones. Learners take notes, make a map and propose theories about dinosaurs.

In this activity, learners use an astrolabe to measure the altitude of objects. Learners will first practice taking measurements by measuring the altitude of trees and buildings.

Learners design their own experiment to determine conditions that either help or hinder the decomposition of carrots by soil microbes.

In this design challenge activity, learners invent a convenient way for someone using crutches or a wheelchair to carry small personal items.

Learners investigate how drag affects the falling rate of objects.

In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.

Learners design their own experiment to determine which M&M color dissolves the fastest in water.

In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl

In this activity on page 5 of the PDF, learners use their knowledge of energy and batteries to create homemade flashlights.