Showing Results for two digit using place value : Page 4

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This science fair project idea investigates the hardness property of minerals.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This science fair project idea explores the egg's thin membrane.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project teaches students about wilting and browning of salad greens.

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.

This surprisingly good glue recipe comes from common kitchen items.

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

Learn all about balance and motion as your child designs a corn maze!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Slip some science into storm watching with a homemade rain gauge!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Learn about this simple machine and make a pulley of your own to use for fun science trials.