Showing Results for three digit using : Page 28

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Learn with makes water molecules work with this fun and easy science activity!

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This science fair project teaches students the differences between fruits and vegetables.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Make a lei and bring a touch of the tropical lifestyle into your home!

This science fair project idea demonstrates that plants give off water.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

An home science experiment for older students that teaches about the science behind heat.