McWizkid Science Fair Ideas-Forces

Experiments About Forces

How does the length of a lever make a difference in the amount of force needed to lift a given weight?

How high can you drop an egg without it breaking?

How much less Newtons of force does it take to lift a weight with a pulley?

What fluids will marbles move through the fastest?

Which spray oil is the most slippery on Teflon?

What kind of cylindrical “can” will roll the farthest in a potential/kinetic “roll back” can apparatus with a rubber-band engine?

How much “push” comes from frozen water?

Which tennis shoes have the best friction?

What’s the difference between potential and kinetic energy?

What configuration of catapult will fling a ping-pong ball the farthest?

How does “momentum” work from moving to still objects?”

How fast will a colloid like Slime ooze down a 45-degree angle?

How much does the length of a string make a difference in the frequency of swings in a pendulum?

Does speed effect momentum of a rolling ball?

How much difference does the floor surface effect the bounce of various sports balls?

Does air pressure make a difference how well a basketball bounces?

What fluids will travel up coffee filter paper higher by capillary action?

How many drops of water will balance on a nickel?

Does the distance of the force arm from a fulcrum (on a lever) effect the work arm’s load weight?

Does weight make a difference in how fast something falls?

How far can various brands of rubber bands stretch before they can break?

Will weights on a bicycle wheel make the wheels go faster?

Which plastic wraps will hold the greatest weight?

Which will roll down a hill faster – a hoop or sphere of the same circumference?

Does height make a difference on how fast siphons work?

Which angle decreases the load of work better on an inclined plane: a 60, 40, or 20-degree angle?

Which lubricant would allow the most slippage?

What materials demonstrate the best friction in slowing down moving objects?

Which tennis shoes have better friction?

How does “air resistance affect the fall of an object?

How does “free fall” relate to terminal velocity?1.

What fluids will “ball up” on wax paper?

How does the weight of a ball make a difference in how far it will travel on a smooth floor?

Do plants grow better in sandy soil or in soil with a lot of clay?

What are the percentages of birds that come into a certain area over a given period of time?

What kinds of bread mold the fastest?

Can mice decide the best insulation?

How well do goldfish remember things?

Which brand of pencils will snap or break apart the easiest?

Which glue holds the best?

How much debris comes up through a vent of a forced air furnace?

Experiment Stopwatch $4.99

Spring Scale and Pulley
$9.99

Spring Scale
$7.25

Electricity and Magnetism	Human Body	Biology and Botany
Chemistry	Light and Sound	Forces
Heat	Air and Water	Miscellaneous

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Conduction Experiment
$10.25

Conduction Experiment feature constructing a "conduction tester" and explores the conduction of electricity. Kit contains: 2 battery holders, bulb holder, light bulb, alligator connector cords, and sample pack.

Spring Scale and Pulley
$9.99

Bring physics to life! The Spring Scale & Pulley kit is designed to demonstrate how the pulley can reduce the amount of force needed to lift an object. Consists of a single pulley and a 200g spring scale. Instructions included for a simple experiment that demonstrates how a crane works.

Microscope Slide Set l $10.25

This set of five specimen include: rabbit taste buds; frog blood; house fly mouth parts; earthworm and pumpkin stem.

Microscope Slide Set ll $10.25

This set of five specimen include: human skin (through hair follicle), motor nerve cells, spinal cord (rabbit), wall of stomach, and salivary gland chromosome.

Basic Compound Microscope
$139

This basic compound microscope is an excellent unit for the younger scientist. It features all metal construction for ruggedness and durability at an economical price. This unit has a 10x wide field, locked- in eye piece mounted at a 45 degree angle for comfort. The triple nosepiece features 4X, 10X, 40X objectives. This scope also has low-position coarse focusing with a built in slip clutch to prevent gear damage. The built-in 110V illumination is great for viewing all types of specimens.

Discover the music of science with this Tuning Fork and Striker! Tuning Fork is made of high-quality aluminum alloy and has been accurately calibrated. Rubber hammer included. Frequency is stamped on the Tuning Fork.

Color in Motion
$10.99

Our Color in Motion Kit explores vision persistence, color theory and optical illusion. Kit contains; miniature motor, 8 discs, battery holder, tap key, and alligator connector cords.

Bulb Holder & Bulbs
$4.90

Expand the "Create-a-Circuit Kit" or create your own experiments using Bulb Holder and Bulbs. A miniature lamp holder with spring binding posts for easy connection. Two 1.5V light bulbs are included.

Create-a-Circuit Kit
$13.99

Build your own series circuit. Comes complete with a "D" cell battery holder, a knife switch, two miniature light bulbs, two lamp holders and four connector cords. Instructions included for learning fun!

Connector Cords
$4.99

Expand the "Create-a-Circuit Kit" or conduct your own experiments with this pair of 24" Connector Cords with 1" alligator clips in protective vinyl sheath at both ends. 24-gauge wire; one red, one black.

Magnetic Wand Set, 6 Asst Colors and 10 ceramic magnet marble set
$16.50

Six strong ceramic magnets sealed in unbreakable plastic cases. North and South poles are located on opposite faces for ease of use. Can be used to determine if an object is magnetic. A pair of magnetic wands can be used to demonstrate attraction and repulsion between poles. Wand measures 7.5" x 1".

Human Torso Model
$35.99

Learn human anatomy with this Torso Model teaching tool. Shows all of the major systems: respiratory, circulatory, digestive, nervous and urinary systems; also features the musculature system. The lungs, heart, liver, stomach and intestines are removable for further examination. A detailed colored key is included for reference. Hand-painted.
10" tall.

Potato Clock
$20.95

Our Potato clock is designed to demonstrate the principle of an electrochemical cell. The LCD clock runs on 2 potatoes, oranges, grapefruits, or cans of soda pop.

Petri Dishes, with Agar
$6.15

Discover the fun of microbiology with plastic Petri Dishes and Nutrient Agar. Nutrient Agar is used as a culture medium to cultivate various household bacteria. Detailed Agar preparation instructions included. Three 90mm Petri dishes and one bag of Nutrient Agar are in this package.

Morse Code Kit
$10.50

Discover how people communicated long distances before the telephone! The Morse Code Experiment Kit was designed to show the principle of a telegraph. Consists of a "D" cell battery holder, a telegraph key, a miniature lamp with holder, and three connector cords. Instructions included.

Spring Scale, 100g
$7.25

A great component part for any mechanics experiment! The spring scale is highly sensitive and accurate with 100g capacity, 1g resolution and zeroing adjustment. Clear back shows the working principle.

pH Paper
$4.90

Perform science experiments in your own home using common household products! PH paper is used to determine whether a substance is acidic, basic, or neutral. Simple pH experiment instructions given as well as color guide for determining the pH.

Bar Magnets
$8.98

A pair of steel magnets painted red and white to show the different polarities. Each comes housed in a plastic storage case.

Floating Magnets
$6.55

Learn about magnetic fields with three ceramic donut magnets and pencil included in this Floating Magnet set. Instructions for four simple, educational experiments using magnetic fields are included.

Plastic Test Tubes
and Stoppers
$4.29

Three plastic test tubes each 15X100mm and 3 size 00 rubber stoppers. Great for chemistry experiments. Not suitable for heated experiments.

D Cell Battery Holder
$3.79

A component part of many circuit kits, these plastic, single D Cell Battery Holders can be snapped together in parallel or series to extend capacity or voltage.

Digital Stopwatch
$4.99

Electronic alarm stopwatch features hour, minute, seconds display, calendar display, 24 hour stopwatch, alarm, hourly chime, 12 or 24 hour mode option, 1/100 second chronograph, split time and total time. Lightweight and easy to operate. Comes complete with battery and carrying cord.

Bug Viewer
$6.99

Get a closer look at the small things in the world around you! This large clear plastic Bug Viewer has a 2.5x glass lens that is excellent for looking at the intricate details of insects and other small objects. Squares of 5mm are molded on the bottom to allow for easy measurement.

Miniature Lite Bulbs
$4.59

Replacement light bulbs are great to have on hand for our "Create-a-Circuit Kit." Five long-life 1.5V light bulbs used with screw-type lamp holders.

Prism $7.99

This Prism is ideal for experiments on spectrum. Equilateral Prism is made of true optical glass. Each side is 27mm; length is 75mm.

Student Molecular Model Set $16.95

Allow students to take an active part in learning using this Molecular Model Set. This hands-on tool is excellent to teach the basics of molecular structures. Colored plastic balls represent atoms, while 3 different lengths of springs represent different types of molecular bonds. Comes with instructions, springs and 35 colored plastic balls: 6 black (carbon); 2 blue (nitrogen); 15 yellow (hydrogen); 4 red (oxygen); 4 green (chlorine); 2 orange (sodium); and 2 purple (potassium). All housed in a sturdy wooden storage case.

Economy mini lamp holder Pack of 5 for $5.95

Lamp holders for low voltage experiments.

Magnifier $5.89

Explore the world in greater detail using the Magnifier. Magnifier has 3x power high quality glass lens encased in ABS plastic frame. 2" diameter. Outstanding for classroom or field work.