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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this activity, your child will use two powerful questions to investigate a thought and the truth behind it. They will write and perform a skit using mindfulness and these important questions.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

Your child can make a sweet and savory spinach strawberry salad; two ingredients that come together for a light and fresh summer dish!

In this activity, your child will experience multitasking, then mindfulness and compare the two in terms of productivity and calmness.

Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

These easy-to-make felt friends are created by sewing two pieces of felt together with yarn and make great gifts for holidays such as Easter.

A pangram is a sentence that uses all the letters in the English alphabet. In this group game kids might just learn a thing or two about word choice in writing!

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Vincent van Gogh painted golden hued pictures of the harvest using bold lines and vibrant color. Your child can explore this style of art using oil pastels.

This science fair project idea produces sounds by creating vibrations using different objects.

In this project, waves of vibrations are experimented with using water in glasses.

In this project students experiment with making music using only glasses of water.

Using only straight-line sewing, your fourth can create a nifty felt pencil case perfect for his busy life.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Construct and experiment with a periscope using reflected light rays to gather an image.

In this science fair project you will make a model of a cell membrane using very simple material.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

Get ready to make a dollar...using playing cards! The first player to accumulate the amount of points equal to a dollar wins.

Using an empty plastic bottle, your child can create a newfangled version of this African percussion instrument.

Using low-tech supplies and a little extra ingenuity you can help your fourth grader create this unique, heartfelt Valentine card.

El dia de los muertos (the day of the dead) is a Mexican holiday celebrated on November 1st and 2nd every year. Other Latin American countries celebrate a variation of the holiday, but it originates in Mexico and is unique to this country. These two days