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Grandma orders some hot coffee at a fast food restaurant. The cup is very hot. Which material would be best to wrap around the cup to prevent her hand from getting too hot? A. plastic B. foil C. paper D. foam
D. foam
Eleanor and her friends are building a giant dollhouse in her backyard. Which material would best keep heat in during the winter? A. wood B. copper C. steel D. aluminum
A. wood
There are equal amounts of hot water in four different cups with thermometers. Each cup is covered. Which cup will most likely have the slowest temperature change? A. plastic cup B. paper cup C. metal cup D. foam cup
D. foam cup
The lunchbox that Michelle takes to work has soft, thick sides. Which material in the sides of the lunchbox best keeps the food warm? A. plastic B. foil C. air D. paper
A. plastic
Amy smears butter on the top of 4 different objects and places them in a bowl of hot water (butter side above the water). On which object will Amy 1st see butter melting? A. rubber spatula B. metal spoon C. wood spoon D. plastic ruler
B. metal spoon
2 PART QUESTION A. Does metal conduct heat quickly or slowly? B. Is metal a good conductor of heat?
A. quickly B. Yes, metal is a good conductor of heat.
2 PART QUESTION Bobby wears wool socks with his winter boots to keep his feet warm. A. Is the wool a conductor or insulator? B. Does the wool provide heat to keep his feet warm OR does the wool keep his feet from losing heat?
A. Wool is an insulator. B. The wool keeps his feet from losing heat.
On a sunny day, George fills a small backyard pool with water. As time passes the water warms. What heat transfer took place?
Radiation from the sun
Glenn stirs hot tea with metal spoon. A Heat from tea will warm spoon, but tea will stay hotter than spoon B.Heat from tea will warm spoon until spoon is hotter than tea. C.Heat from tea will warm spoon until spoon and tea temps. are equal.
C. Heat from the tea will warm the spoon until the spoon and tea temperatures are equal.
How does heat move?
Heat moves from warmer objects to cooler objects.
What do people use to reduce heat transfers when removing a hot metal pan from the stove or oven?
Oven mitts and pot holders
An insulator ____ A. slows energy transfer. B. can be a good conductor. C. provides heat to keep materials warm D. allows heat to pass through easily.
A slows energy transfer
Metal is a good conductor. What object would be most useful if it were made of metal? A. oven mitt B. muffin pan C. thermos D. placemat
B. muffin pan
