Showing Results for compare with same denominators 2 : Page 52

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

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

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

This experiment will evaluate if chewing gum affects students' test performance.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.