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Substance Abuse
Energy Measurements
Hot-Stuff
Phase to Phase
This & That
100
A material made from a group of substances.
What is a 'mixture'?
100
Used when measuring the heat energy locked in food.
What are kilocalories?
100
This quantity is known as 'Delta T'.
What is the difference between the initial temperature and the final temperature of a cooled substance?
100
When particles vibrate next to one another without flowing.
What is 'solid'?
100
The condition when a melting solid reaches the same temperature as the environment around it.
What is 'equilibrium'?
200
A substance has its own______ and its own_______.
What is 'chemical formula' and 'unique particle'?
200
The average kinetic energy of a substance is measure in these metric units.
What are 'degrees Celsius'?
200
The amount of energy required to increase the temperature of 10g of water by 23°C.
What is 230 cal?
200
This phase of matter can be compressed.
What is 'gas'?
200
The tool we built for measuring the amount of heat samples of food.
What is a 'calorimeter'?
300
The scientific name for 'baking soda'.
What is 'sodium bicarbonate'?
300
It's the temperature scale where 'absolute zero' really is zero!
What is 'Kelvin'?
300
In a pure sample of fresh water, you can find this in between the particles.
What is 'nothing'?
300
When particles are close together, but free to roam.
What is 'liquid'?
300
The lowest amount of kinetic energy a substance can have.
What is "absolute zero"?
400
One particle of magnesium sulfate has this chemical formula.
What is 'MgSO4'?
400
Daily Double!!! When kinetic energy is added to a substance the particles do this, this AND this!
What is 'heat up', 'speed up' AND 'expand'?
400
It's when energy gets transferred by bumping particles.
What is 'conduction'?
400
A phase of matter in which particles give off their own energy.
What is 'plasma'?
400
Daily Double!!! This is how fast particles move after they collide with one another.
What is, "the average of their original speeds"?
500
Identify the substance(s). A. dirt B. skin C. pasta D. magnesium E. epsom salt
D. magnesium E. epsom salt
500
In the Kelvin scale, water freezes at this temperature.
What is '273 K'?
500
It's when groups of particles transfer energy by flowing from hot places to cold places, until they reach equilibrium.
What is 'convection'?
500
In this phase, particles have almost stopped moving.
What is a 'Bose-Einstein condensate'?
500
The smallest form of a substance that still has all the properties of that substance.
What is a 'particle'?