Showing Results for adding multiples of 10

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Make this delicious warm apple bread for Hanukkah.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

This experiment investigates if stress alters body temperature.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project idea determines which flower lasts the longest.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project investigates how temperature of a room affects the burn rate of a candle.