Physical Science Final 1 A

Matter that has a definite volume and a definite shape is a _____________.

• solid

• liquid

• gas

• plasma

When two or more substances are physically combined, the result is a(n) _____________.

• chemical change

• element

• compound

• mixture

A type of matter formed by a chemically joining two or more elements is known as a _____________.

• compound

• solution

• colloid

• suspension

Tags

NGSS.MS-PS1-1

The color of ink is a _____________.

• physical change

• physical property

• chemical change

• chemical property

Three examples of physical changes are

• sawing wood, crushing a can, and burning a marshmallow

• burning of gasoline, rotting an egg, and exploding fireworks

• freezing of water, evaporation of gasoline, and rusting of a nail

• boiling of water, blowing up a balloon, and melting a candle

Which part of the periodic table indicates the number of energy levels in the electron cloud?

• Group

• Family

• Valence electrons

• Period

What is an atom's nucleus made of?

• protons and electrons

• protons only

• protons and neutrons

• neutrons only

Atoms of the same element that have different numbers of neutrons are called

• molecules

• ions

• protons

• isotopes

Which particles determine the atomic number of an element?

• protons only

• neutrons and protons

• neutrons only

• protons and electrons

At room temperature, most metals are _____________.

• Solids

• Liquids

• Gases

• Plasma