P6 Science (Extra Practice) Q15-28

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• To find out if wind affects the rate of evaporation

• To find out if temperature affects the rate of evaporation

• To find out if exposed surface area affects the rate of evaporation

• To find out whether the material of the handkerchief affects the rate of evaporation

• The rod was made of steel.

• The rod was made of copper.

• The rod was not long enough.

• (1)  The wires were coiled in the wrong direction.

• Frictional force and gravitational force

• Frictional force and magnetic force

• Magnetic force and gravitational force

• Magnetic force and frictional force

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• To find out if boiling water has a higher temperature than tap water.

• To find out if the metal warms up faster in tap water or in boiling water.

• To find out if heat travels from a hotter substance to a colder substance.

• To find out if water can be transferred from one end of the rod to the other.

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• 200 cm³

• 500 cm³

• 600 cm³

• 800 cm³