Showing Results for three digit and two step word problems : Page 41

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

This science fair project idea determines what household items are good conductors of electricity.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This biodiversity project examines the biodiversity in your own backyard.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Explore the relationship between personality traits and birth order effects.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Learn how different types of soil affect how animal tracks form in this experiment!

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

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