3rd - 8th Grade Science Activities : Page 15

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Give your budding young observers a chance to discover simple machines at use in their own home.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this project children practice the scientific method while playing with puffy paint.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this science fair project, students create their own miniature salt flats at home.