Exam 4

What is tested using an experiment?

What temperature scale has no negative readings?

What is the SI unit of heat?

What is a relative measure of hotness and coldness?

What kind of phase is a material in if it is found to have a definitive volume and no definitive shape?

How are the Sun’s rays transmitted to Earth?

What kind of heat transfer involves mass movement?

What term refers to the amount of heat necessary to change 1 kg of a solid into a liquid at the same temperature?

What term refers to the energy involved in a phase change?

What particle of an atom is positively charged and found in the nucleus?

What kind of substance is composed of two or more elements chemically combined in a definite proportion by mass?

What is equal to the amount of protons in its atom? (Referred to as Z)

Who discovered the atomic nucleus?

When was the atomic nucleus discovered?

What term refers to the horizontal rows of elements in the periodic table?

What term refers to the vertical columns of elements in the periodic table?

What term refers to a non-chemical combination of two or more substances in variable proportions?

What differs between various isotopes of an element?