Showing Results for three digit using : Page 25

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

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!

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science fair project idea identifies and understands adaptations in birds.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

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

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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