2020 Physical Science Review Quiz #1

What is Physical Science? (a)  

• the study of chemistry & physic
• the study of physics
• the study of biology
• the study of chemistry

What are the four phases or states of matter? (a)  

• color, shape, hardness, & textu
• mass, weight, volume, & density
• solid, liquid, gas, & plasma
• earth, water, fire, & wind

Matter can be defined as anything that

• can be touched

• has mass and takes up space

• can be weighed

• contains kinetic or potential energy

Which of the following is an example of a chemical change?

• ice melting

• burning a piece of paper

• pounding a piece of gold into a coin

• a puddle of water evaporating

Water is classified as (a)  

• an element
• a compound
• a mixture
• a solution

Compounds

• are combined together chemically

• cannot be separated easily

• must be put together in definite ratios

• all of these

Both electrons and protons have electrical charges. These charges are

• equal strength and opposite charge

• equal strength and same charge

• unequal strength and opposite charge

• unequal strength and same charge

The atomic number of an atom is always equal to the total number of (a)  

• neutrons in the nucleus
• protons in the nucleus
• neutrons plus protons in the atom
• neutrons plus electrons in the atom

How many protons are in an atom of Bromine (Br)?

Mathematical Equivalence

ON

What is the mass number of an atom with 14 protons, 14 electrons, & 16 neutrons?

Mathematical Equivalence

ON