Showing Results for three digit and two step word problems : Page 34

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

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

An home science experiment for older students that teaches about the science behind heat.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Test whether plants can grow without sunlight and water.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

This science fair experiment examines the relationship between gender, age, and smiling.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.