4th - 7th Grade Science Resources : Page 29

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project investigates why the number of visible stars changes from place to place.

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

Find out whether putting something on top of a plant will inhibit its growth.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Find out which kind of bubble wrap fares best when put in impact.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project will help students learn about non-vascular plants, such as mosses.