Showing Results for three digit and two step word problems : Page 14

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.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This surprisingly good glue recipe comes from common kitchen items.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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.

In this experiment we use Scotch Guard to make sand that resists water.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

The objective of this science project is to investigate patterns in fingerprints among family members.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!