3rd and 4th Grade Engineering and Science Inquiry Resources : Page 2

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This project examines whether people's taste perception is influenced by what they see.

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

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

Take a dive into the candy jar with this yummy science experiment.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this design challenge, your child will create a parachute for a small toy using typical household items.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea identifies trees using a dichotomous key.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.