3rd - 5th Grade Science Activities : Page 14

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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.