Molecules "stick together"

H+ O-

Solid, Liquid, Gas

Slow to heat, slow to cool

Sinks of Floats

Universal Solvent

Opposites Attract

Water covers _____ of Earth's surface

Molecules with ________ have electrical charges, one end - and one end +, similar to a magnet

Like magnets, polar molecules attract to...

Which shows the HYDROGEN bond

Which shows the COVALENT bond

The polarity of water allows it to _________ other polar substances

Water is called the

Water will not dissolve oil, therefore, oil is not

Water molecules stick together forming a "skin" on water known as __________ __________ allowing light objects to float

__________ causes water to form drops. This occurs when __________ molecules bond to water molecules.

___________ causes water to stick to other polar substances

Surface tension also allows water to move through plant roots and stems and small blood vessels. As one molecule moves up the root or vessel, it pulls the others. This movements is referred to as __________________ ___________________.

Which state of matter requires the greatest amount of energy to change from the liquid state? ____________

The temperature at which water changes phase from liquid to a solid or solid to liquid is called its ________________________ _____________________ ______________________.

Most liquids become more dense as they cool. Water becomes less dense because its molecules form an open ___________________________structure.

An atom has equal numbers of ____________________ and ____________________.

The radious of an atom is closest in size to a

Select all possible answers: Which statement(s) is/are FALSE?

In a neutral atom, the number of protons is equal to the number of electrons

What do all atoms of the same element have in common?

Atoms are the smallest particles in the universe.

Select all possible answers: What is contained in the nucleus of an atom?

Which of the following statements is true about the atoms of any element?

The _______ is the basic unit of structure and function in living things

Which describes this statement: A frog is 4cm Long

Horseplay or practical jokes in the laboratory are....

The part of the experiment that you change or manipulate is called the....