Science Projects Activities : Page 30

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea explores whether dogs do look like their owners.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Construct and experiment with a periscope using reflected light rays to gather an image.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Examine spreadsheet functions and design a new way to utilize spreadsheets. Analyze a spreadsheet program to familiarize yourself with its capabilities.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This experiment will explore the possibility of creating an infinite object by hand.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

This science fair project idea examines whether boys and girls differ in reflexes.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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