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Transcript

Materials Needed

VARIABLES

- Independent Variable

  • Height of the track

Hypothesis

- Dependent Variable

  • Speed of marbles

I believe that the height of the track will not affect the speed of the marbles , Also that I think marbles #1 might win.

- Controlled Variables

  • Equal length and Material tracks.

Background Information

What are marbles?

  • A hard crystalline metamorphic form of limestone, typically white with mottlings or streaks of color, that is capable of taking a polish and is used in sculpture and architecture.
  • a small ball of colored glass or similar material used as a toy.

What are marbles and what are they made of?

Procedures/Steps

Question

Will the height of the track affect the speed of the marble?

What are marbles made of?

Marbles have been made of all kinds of materials throughout history. At first they may have been simple round stones or clay balls. More recently they have been made of actual marble, clay, porcelain, glass and steel.

Materials List

  • Two Long Tubes
  • 2 Marbles, Same Size
  • A Stop-Watch
  • A Calculator
  • A Yard-Stick

Marble Race - Science Fair Project by Kelsey St.Phard

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