Showing Results for three digit and two step word problems

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

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

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

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

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

This science fair project idea investigates food preference of birds.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This project examines the concentration of dissolved oxygen in water, with and without oil.

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

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

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

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?