Specific heat CW1

1. The ocean is cold even in summer because water _____. (PS.2)

• A) has high specific heat

• B) has low specific heat

• C) conducts heat well

• D) is insulated from sunlight

2. The temperature of a piece of iron increases more than that of a sample of water with the same mass when the same amount of thermal energy is added. This is because __________.

• A) iron has a higher specific heat

• B) iron has a lower specific heat

• C) iron has a higher melting point

• D) water is a liquid and iron is a solid

3. All of the following are good conductors of heat except ____. (PS.2)

• A) silver

• B) aluminum

• C) copper

• D) wood

4. Air is a good conductor of heat.

• True

• False

5. The amount of heat required to raise the temperature of 1 kg of a substance by 1°C is its _________________.

6. A good ___________ transfers heat easily.

7. A good ___________ does not transfer heat easily.

If the same amount of heat is added to each sample, the smallest change in temperature will occur in the

• Iron

• Dry Air

• Granite

• Water

Which material would require the greatest amount of heat energy to raise its temperature from 5^oC to 10^oC? [Refer to the Earth Science Reference Tables.]

• Iron

• Lead

• Granite

• Dry Air

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down
• They would stop moving
• They would speed up
• There would be no effect