Showing Results for three digit and two step word problems : Page 3

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Can cells be frozen? This science fair project provides information to answer this question.

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

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

Determine which metal has the highest rate of conductivity.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

How powerful is the reaction between baking soda and vinegar? Find out here!

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Do you think heat can affect a plant's growth rate?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This project explores whether music affects the growth and health of plants.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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 potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.