Showing Results for all about double digit : Page 41

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Examine the connection between temperature and chemiluminescence.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This science fair project examines the different composition of fungi and plants.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This project explores what happens to a rubber band when it is heated and cooled.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

This experiment explores the most common colors that appear among a sample of crossbred guppies.