Experimental Design/Practice

The following are examples of Experimental Design events which can be used for practice.

Example 1
Topic: Gravity

Materials:
 * 3 rubber balls(different sizes and colors)
 * 30 cm of masking tape
 * 10 rubber bands
 * 1 meter stick
 * 1 plastic spoon
 * 1 block of styrofoam
 * 10 popsicle sticks

Example 2
Topic: None

Materials:
 * 2 toy cars
 * 5 rubber bands
 * 20 push pins
 * 1 meter stick
 * 3 1'x1'sheets of cardboard
 * 5 1'x1/2'' sheets of cardboard
 * 5 1'X1/4'' sheets of cardboard

Example 3
Topic: Temperature

Materials:
 * Thermometer
 * Hot and cold tap water
 * 1 cup of sugar
 * 1 cup of salt
 * 1 cup of MSG
 * 3 250 ml beakers
 * 10 plastic spoons
 * 1 tube of toothpaste
 * 1 bottle of hair gel

Example 4
Topic: Motion through rolling

Mateirals:
 * 5 marbles
 * 1 can
 * 1 foot of sand paper
 * 1 small pegboard
 * 4 dictionaries
 * 1 sharpie
 * 1 foot of masking tape
 * 1 foot of PVC pipe

Example 5
Topic: Water

Materials:
 * 10 cotton balls
 * 4 beakers
 * 1 cup of sand
 * 1 cup of salt
 * 1 bottle of water (bottle may be used)
 * 1 measuring cup
 * 1 roll of plastic wrap
 * 10 cotton swabs

Example 6
Topic: None

Materials:
 * 1 stick of gum
 * 1 cup of juice
 * 1 cup of soda water
 * 1 cup of Chex Mix
 * 10 plastic cups
 * 5 plastic spoons
 * 1 meter stick

Example 7
Topic: Chemistry

Materials:
 * 10 plastic spoons
 * 1/2 cup of lemon juice
 * 4 plastic bottles
 * 1 cup of baking soda
 * 1/4 cup of vinegar

Example 8
Topic: None
 * 3 markers
 * 10 sheets of plain white paper
 * 3 pencils
 * 3 crayons
 * 2 rulers

Example 9
Topic: Electricity

Materials:
 * 1 buzzer
 * 1 lemon
 * 1 tomato
 * 1 battery
 * 1 penny
 * 1 paper clip
 * 1 ice bath
 * 1 hot plate
 * 1 thermometer

Example 10
Topic: Physics

Materials:
 * 10 note cards
 * 2 sheets of sand paper
 * 1 cup of salt
 * 5 marbles
 * 1 toy car
 * 30 cm of tape
 * 10 paper clips

Example 11
Topic: Pressure

Materials:
 * 1 syringe
 * 3 blocks of wood, 15cm x 3cm x 15cm
 * 8 textbooks, same size
 * timer
 * 30 cm of string
 * scale
 * water
 * paper cups
 * paper clips

Example 12
Topic: Pendulums

Materials:
 * 5 marbles
 * 1 paper dixie cup
 * 1 piece of 20cm long string

Example 13
Topic: Catapults

Materials:
 * 6 marbles
 * 1 ping pong ball
 * 4 popsicle sticks
 * 1 plastic spoon
 * 1 paper dixie cup

Example 14
Topic: Simple Machines

Materials:
 * 20 Popsicle Sticks
 * 5 Rubber Bands
 * 1 Pound Weight
 * 2 Pound Weight
 * 3 Pound Weight
 * Spring Scale
 * Scrap wood

Example 15
Topic: Aviation/Aerodynamics

Materials:
 * 1 Ream of Paper
 * 1 Box of Paper Clips
 * 10 Washers
 * 1 Pair of Scissors
 * Stack of Cardstock
 * Stack of Cardboard
 * Meterstick
 * 1 Meter of Tape

Example 16
Topic: Newton's Laws of Motion

Materials:
 * 1 Toy Car
 * 3 Marbles
 * 3 Metal Balls
 * 3 Wooden Balls
 * 1 Meter of String
 * 1 Meter of Tape
 * 1 Spring Scale
 * 1 Ream of Paper

Example 17
Topic: Acids and Bases

Materials:
 * Pure Lemon Juice
 * Water
 * pH Paper
 * Basic Tap Water
 * Vinegar
 * Milk
 * Beaker
 * Graduated Cylinder

Example 18
Topic: Optics

Materials:
 * 1 Convex Lens
 * 1 Concave Lens
 * 1 Flashlight
 * 1 Meterstick
 * 1 Convex Mirror
 * 1 Concave Mirror
 * 1 Sheet of Cardboard

Example 19
Topic: Circuits

Materials:
 * 6 12-inch Wires
 * 3 Lightbulbs
 * 3 Lightbulb Holders
 * 1 Battery
 * 1 Iron Nail
 * 1 Cobalt Nail
 * 1 Nickel Nail
 * 6 Paperclips

Example 20
Topic: Sound

Materials:
 * 1 Block of Styrofoam
 * 1 Block of Polyurethane Foam
 * 1 Block of Memory Foam
 * 1 Heat Plate
 * Ice Cubes
 * 1 Funnel
 * 1 Oscilloscope
 * 1 Ruler

Example 21
Topic:Electromagnets

Materials:
 * 1 Battery
 * 2 48-inch Wires
 * 2 Iron Bar Magnets (Different sizes)
 * 1 Cup of Iron Filings
 * 20 Paper Clips