Bibliographic record and links to related information available from the Library of Congress catalog.
Note: Contents data are machine generated based on pre-publication provided by the publisher. Contents may have variations from the printed book or be incomplete or contain other coding.
Table of Contents Introduction for Parents Part I: Getting Started Why Do a Science Project? What Must a Science Project Contain? Part II: Project Plans How to Use the Project Ideas Physical Changes What makes honey crystallize? Do thick liquids flow faster or slower than thin ones? What is the best way to get stains out of clothes? Which brand of soap releases the most water quickly? How much fat is in potato chips? Chemistry Are household powders acids or bases? What are the pH and total alkalinity of personal care products? How do acids and bases affect enzyme action? Which fruit juice has the most vitamin C? Do chemical reactions absorb or release energy? Forces and Motion How easily do objects move over surfaces? Will a ball bounce higher if dropped from a greater height? What is the tensile strength of fishing lines? How does the volume of air affect how far a balloon rocket travels? How much force lifts a load? What makes a pendulum swing fast or slow? Heat Do some liquids heat faster than others? What happens when hot and cold water mix? Will some colors keep you cooler than others? Which metal conducts heat best? Do some colors of M&Ms melt faster than others? How does the sun's direction affect temperature? Light How does light make colors? Does ultraviolet (UV) light pass through some colors more than others? Do some sunglasses block UV light better than others? How many images can I make with mirrors? How does distance affect the spreading of light? Sound Can sound travel through a barrier? How well do people judge the direction of sound? How does the length of a vibrating column affect pitch? How do tension and length affect the pitch a string makes? How does the loudness of sound vary in a room? Does distance affect a sound-activated finder? Electricity Do temperature and humidity affect how long static charges last? Does electricity move better through thick wires or thin ones? Which brand of batteries is stronger or lasts longer? Does the sun's angle affect the output of a solar cell? Does a Fresnel lens affect the output of a solar cell? Magnets How does a compass work? How do magnetic fields differ? Are two magnets twice as strong as one? How does distance affect the strength of a magnet? Can a toy care reveal the strength of a magnet? Soil, Rocks, and Minerals How does moisture affect the color of soil? How does porosity vary in rocks and soils? How compact are the soils near my home and school? Does the temperature underground vary as much as the surface temperature does? In what conditions do stalactites and stalagmites grow best? What tests can I use to identify minerals? Microscopic Life What do yeast eat¿and how can you tell? Does garlic prevent microbial growth? How does salt concentration affect the hatching of brine shrimp eggs? What makes the best compost pile? Do hand soaps and sanitizers prevent the growth of bread mold? Plants What's the best way to stop cut fruits and vegetables from turning brown? Are some fruits and vegetables denser than others? How does the color or light affect plant growth? Does a mordant make a natural dye brighter or longer lasting? How much water do plants lose to the air? Do long pods contain more green beans? Behavior How do odors affect cricket behavior? How do crickets respond to light and dark? Does the caffeine in soft drinks affect the human heart rate? Does exercise affect body temperature in humans? How accurate and precise are dart players? How reliable are eyewitness reports? Part III: Additional Information How to Make a Grayscale Sources of Materials Science Suppliers Making Graphs Using the Metric System Constructing a Display Planning for Next Year
Library of Congress Subject Headings for this publication:
Science projects.
Science -- Study and teaching (Elementary).