Engineering and Science Inquiry Activities : Page 2

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

In this fun experiment, we'll find out how color affects heat absorption!

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

This science fair project idea investigates the relationship between memory and age.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Learn all about balance and motion as your child designs a corn maze!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.