Temp
What is Temperature?
How hot or cold something is compared with a standard.
What is heat?
Heat is energy that transfers from one object to another.
True or False: most forms of matter expand when they are heated and contract when they are cooled.
True
What determines the capacity of a substance to store heat?
Its chemical composition.
What does water do that is unusual?
It contracts when it changes from solid to liquid.
What is Celcius?
Temperature scale where water freezes at 0 and boils at 100
What is thermal contact?
Heat flowing from one object to another when they are touching.
What is an expansion joint?
A gap to allow sections of material to expand and contract without breaking.
What is specific heat capacity?
The quantity of heat required to raise the temperature of a unit mass of a material by one degree.
When is water densest?
A 4 degrees Celsius.
What is Fahrenheit?
Temperature scale where water freezes at 32 and boils at 212
What happens when you touch ice?
Heat flows from your hand to the ice.
What is a bimetallic strip?
Two different metals joined together where the rate of expansion and contraction are different. This makes the shape of the strip different based on temperature.
In Celsius, what is the specific heat capacity of water?
1.00
What does water expand when it freezes into ice?
It has a special crystal structure that makes it larger.
What is Kelvin?
A temperature scale used in science where 0 is absolute zero- the lowest possible temperature
What happens when you touch a hot stove?
Heat transfers from the stove to your hand.
What is a bimetallic strip used for?
They are often found in thermostats.
Which has a higher specific heat capacity, clay or lead?
Clay
True or False: a pond freezes from the bottom up?
False
How does a thermometer work?
A tool that measures temperature by showing the expansion of a liquid in a glass tube using a scale.
True or False: sometimes heat flows from a cooler substance to a warmer substance.
False
How is water different?
Water contracts when it melts and this is unusual.
Which has a higher specific heat capacity, steel or olive oil?
Olive oil
What temperature must a pond be cooled to before it forms ice?
4 degrees Celsius