1st - 6th Grade Science Activities : Page 9

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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 researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Make a spring collage with your child to get them outside and those creative juices flowing!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea determines what household items are good conductors of electricity.

This simple experiment serves as an introduction to the greenhouse effect.

This basketball project explores the best way to make the perfect shot every time.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This science fair project idea explores the different properties of matter.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

I scream, you scream, we all scream for homemade spearmint ice cream!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project idea determines if the color of light affects the growth of plants.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Help your child learn about animal classification with this fun and delicious activity.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.