Electricity and Magnetism
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Is a magnet stronger when it is warm rather than cold?
Does t.he application of electrical current to steel reduce the rate of rusting"?
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Does more dust collect on glass than on piastic? On smooth metal or wood?
Which conducts electricity best, copper, aluminum, or steel wire'?
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\Nhat kind of things do magnets attract?
"What kinds of m",gnp,o; are the strongest (shape, size)?
How is the conductivity of distilled water affected when substances such as salt, sugar, vinegar
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or baking soda are added?
\AJhat kinds of rrults make the best batteries?
Earth Sdence
Which materials have the steepest angle of repose? Dry sand, wet sand, dry garden soil, dry clay
soil, pea gravel, etc? Why?
On winter nights, is it colder under a tree or out in the open?
How much warmer is it in the sun than in the shade? Does it depend on the time of year'?
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What types of particles are in the air? Are they different or. windy days?
is the difference behveen the high and low ternp,erature
on clear days than on cloudy or
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How does the slope of the land affect erosion?
Do dtfferent types of sol! hold different amounts of water?
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What kind of soil compresses more?
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What is more porous, sand or gravel?
Sound
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Does sound travel faster through still air when it is clear than when it is foggy or raining?
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Does a tin can telephone work better with a metal wire than with a cotton string?
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sounds behave differently?
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Can you ten where sound comes from when you are blindfolded'?
Is sound transmitted differently through solids versus air'? Do different
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Does the anwunt of water in a glass affect lts sound when hit by an obJecfr
What materials provide the best sound insulation?
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HmN good are people at hearing one volce in J (:ro\"Jd?
Can the desIgn of a paper airpiane make it fly farther?
\A/ha! shape of sal! \,A/i!! make a sailboat go fastest?
is there a mech;:mic81 adv;:;ntage to using a ramp to raise
object~:;'?
What size and shape of frisbee is best for long distance throwing'!
f)C:f'~ ~'{'rr\;:;(':-;;turf'\ ;lffpr:t thr-: <:;tn.'ng-th of rubber bands?
light and Color
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Do some colors offabrk transmit more heat from the sun than others?
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Do incandescent and fluorescent light produce the same kind of light (heat)?
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Do some coiors absorb more sunlight than others?
What will happen if you place construction paper in the sun?
What are the effects of different !enses on Hght bearns?
Vv'hat factors affect light reflection'? Refraction'?
Which colors show up best in the dark?
Does light travel at different speeds through different materials?
Physical!Chemical Properties
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Does ink or load color spread faster in water, salt waler, sugar waler, or milk? Does
temperature matter?
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dissolved in it (base)? How does the concentration of acid or base affect the rate of rusting?
Is the ability of an egg to float in water affected by the salt content of the water?
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Does the composiiion of a soap solution have an effect on its surface tension?
\AJhat affects crvsta! formati(:.Ir-!?
Do sugar crystals grow faster in lap water or distilled water?
What determines how fast a piece of candy dissolves?
What factors determine how long a candle burns?
Solids, liquids (includes water) and gases
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Does water evaporate faster in a Windy location than in a sheitered location with the same air
temperature?
Is a balloon fi!lf:d with cold air heavier than one fined with hot air? Does the amount of hot air 1n
a balh;un affect the \ilidV in "vvhkh it floats?
How does the addition of salt or alcohoi affect the melting and boiling temperature of water?
Does the amount of salt or alcohol matter?
DoE'S the dirt in muddy \A!2ter 5-etl:rE' f<;!stef if th"? \h/?t:er is
Are our local waters acidic? Is the rain in your neighborhood more or less acidic than your tap
water?
Does warm water freeze (or boil) faster than coo! water?
win water with salt evaporate faster than water without salt'?
Does shape affect how fast an ice cube will meit'!
\tJhich rrtateda!s absorb the most water'?
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Food Science
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Does the beaten white of a fresh egg have more volume than the beaten white of an old egg?
Does orange juice contain more sugar than lemon juke? Grapefruit Juke? Coke?
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Does yeast grow raster in water with ~ugar added, Hi pia in water, Or in water with d curnbination
of sugar and salt?
Does yeast grow fastest at 60, 90, 120 or 150 degrees Fahrenheit?
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the result depend on the method of popping the com?
Does dampened lettuce keep longer than dry lettuce when stored in a plastic bag in the
re-friej~r.atl)r?
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Will bananas brown faster on the counter or in the refrig(erator?
Which cheese grows mold the fastest?
What factors affect the growth of bread mold?
Comparative/Consumer Studies
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How does hairspray affect a single hair, a pair of hairs?
What kind of juice deans pennies best'?
Vvhat concentration of bleach is needed to kiil mo!d?
Which dish soap makes the most bubbles?
Vv'hlch paper towel is the strongesf?
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Which brand of disposable diaper absorbs th(o moslliquid?
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Suggestions for Science Fair Projects
Piant Studies
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Do roots of a plant ahways grow downward"?
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Do big seeds germinate faster than smail seeds?
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Can Do leaves composted with alternate layers of soil and leaves decompose faster than those
with
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onlv on the top?
Does the amount of moisture affect the rate of decomposition of composting leaves?
Can plants grow without soil?
Does ternperature affect the growth of p1ants?
Do bigger seeds produce bigger plants?
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Does a p!ant grow bigger jf watered with milk, coke, or \Mater?
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Does sugar or bleach prolong the life of cut flowers?
Human Studies
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Does being able to see help people ke(~p their balance?
How much is taste affected by sight and smell? Does it depend on the type of taste-!
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Does noise affect a person;s concentration or short term memory?
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Can body language help determine iT a person is iying?
How does the type of music affect your math skills? (Mozart or Rap)
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HOVI/ does breathing affect your heart rate?
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Do ail people have the same normal body
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How accurately can you tell the fPenn,"'"
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HQ\!\! are teeth 2:ffected bV fluortdes and acids?
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Animal Studies!Adaptation
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Do ants iike cheese Gf $ug»~ h('i::
Do mint leaves or oth(',' (n,:,;;<:1";,::::' ;
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