Showing Results for two digit using place value : Page 7

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea investigates how the shape of an object affects drag.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This project determines what category of person is most likely to be ticklish.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This science fair project idea determines which method of hand cleansing is the most effective.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.