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Learners use the current flowing in a wire to create a magnetic field that turns a magnet. Learners can use this property of electromagnetism to build a magnet-powered pinwheel.

In this activity, learners practice matching and subitizing as they create the longest domino train possible.

In this activity, learners investigate static electricity using everyday objects at four different stations.

Capture soap bubble patterns on paper! In this activity, learners can create beautiful pictures from popping soap bubbles.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

As a group, learners consider sources of water pollution to understand where pollution starts and where it ends up.

En esta tira cómica, Mateo y Cientina observan unas hormigas para contestar algunas preguntas: ¿Qué comen las hormigas?

In this challenge, learners make a helium balloon hover in one spot and then move it through an obstacle course using air currents.

In this activity (pages 8-9), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

In this activity, learners get hands-on with geometry by making a polyhedron kitty sculpture.

In this activity, learners will explore saturated solutions and discover how crystals form.

In this activity, learners design a crushing test and discover that identifying and controlling the variables may be difficult.

In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.

Esta actividad enseña la proporción y razón por hacer que los aprendices hagan "ensaladas" que combinan tres tipos de frijoles en tres combinaciones diferentes.

In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.

In this activity, learners predict whether a ball on Earth or a ball on the Moon bounces higher when dropped and why.

Why should we wear masks? Do masks work? Do some masks work better than others? Learners find out in this activity.

In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors.

In this activity, learners will investigate the part of soil. Explore how clay, silt, and sand make up the dirt in your background. Activity includes step-by-step instructions and extension ideas.