11 questions
What is NOT a source of heat?
rubbing something together quickly
the sun
electricity
sweating
How do molecules move in a hot object?
they don't move
slowly
quickly
normal speed
Shay plugs in her computer. When she places it on her lap, she notices it is hot. What is the source of heat?
sun
friction
mixing objects together
electricity
Which is the source of heat that is caused when objects rapidly rub against each other?
electricity
friction
sunlight
mixing things together - chemical change
What tool do we use to measure temperature?
thermometer
scale
calculator
ruler
Two liquids combining to make the temperature rise is which type of heat source?
electricty
friction
sunlight
mixing things together - chemical change
Tires rubbing on the street and making smoke comes from which source of heat?
electricity
friction
sunlight
mixing things together - chemical change
Ice cream melting outside is an example of which type of heat source?
electricity
friction
sunlight
mixing things together - chemical change
A light bulb feeling warm comes from which type of heat source?
electricity
friction
sunlight
mixing things together - chemical change
Two liquids combing to make the temperature rise is an example of which type of heat source?
electricity
friction
sunlight
mixing things together - chemical change
Heat moves from ____________ to _____________.
any way it wants
cold to hot
warm to luke warm
hot to cold