Ch. 1 Review A
A measure of how much matter is in an object.
What is mass?
What is a derived unit?
Measurement units defined by Great Britain in 1825.
What are Imperial units?
Energy that is exchanged because of a difference in temperature or a change in phase.
What is heat?
A measure of the energy associated with the random motion of a substance's molecules.
What is temperature?
The amount of a substance in a defined volume.
What is concentration?
People knew how big the earth is, and they thought that no one could make that long of a journey by ship.
Why did people think Columbus could not make a journey around the world?
The hull of a ship disappearing out of sight as it traveled away, and the sails of a ship appearing into sight as it approaches demonstrate this.
What demonstrates a that the Earth is spherical (specifically an oblate spheroid)