Science Unit 10 and 11

Jane left a cop of hot tea outside on a cold night. She checked the tea every 5 minutes using a thermometer. What do you think happened to the hot tea?

• All the heat from the hot tea moved to the thermometer.

• The cold from the floor moved to the hot tea.

• The cold from the outside air moved to the hot tea.

• The heat from the hot tea moved to the cold air outside.

Which is the TRUE statement?

• Heat moves from hot objects to cold objects.

• Heat moves from cold objects to hot objects.

Sarah touched a metal slide on a hot summer day. She went to touch the slide and quickly pulled her hand away because it was hot. Why did the slide burn her hand?

• The metal slide conducted heat to her hands.

• The metal slide transferred electricity to her hand.

• The metal chain reflected heat away from her hand.

• The metal slide reacted to for heat with her hand.

Why would food inside a refrigerator get warm if the door was left open?

• The refrigerator does not work if the door is open.

• The warm air inside the room moves inside the cool refrigerator.

• The light insides the refrigerator comes on and will warm the food.

• The cool air in the refrigerator goes out the door and into the room.

Which would conduct heat the best?

• a metal spoon

• a glass spoon

• a plastic spoon

• a wooden spoon

Choose ALL that give off BOTH heat and light.

• Sun

• Lightbulb

• TV Screen

• Fire

What is caused when you rub your hands together?

• Heat

• Friction

• Sweat

• Light

What will happen to the temperature of the carpet if you rub your feet back and forth on it quickly?

• It will get warmer.

• It will get cooler.

• It will get softer

Which is NOT a good insulator?

• Paper

• Foam

• Metal

• Wood

Which produces both light and sound energy?

• fan

• guitar

• lamp

• television