Physical Science A Final Review

Question 1

Products of Photosynthesis include

Accepted Answer

oxygen

Question 2

Electrons emit energy when it jumps to a higher energy level

Accepted Answer

True

Question 3

Which is FALSE about aromatic hydrocarbons?

Accepted Answer

They have only double bonds

Question 4

There are many career choices related to physical science

Accepted Answer

True

Question 5

Water is a(n)

Accepted Answer

chemical compound

Question 6

Which energy level has the least energy?

Accepted Answer

1

Question 7

The displacement method could be used to find the

Accepted Answer

volume of a solid

Question 8

Chemical reactions are NOT necessary for life.

Accepted Answer

False

Question 9

The same molecules must be present on both sides of a chemical equation

Accepted Answer

False, False

Question 10

Which is a sign of a chemical reaction?

Accepted Answer

all answers correct, changes color, absorpbs of heat, release of a gas

Question 11

Ionic Bonds form between

Accepted Answer

a metal and a nonmetal

Question 12

Cellular respiration releases energy in the form of light

Accepted Answer

False

Question 13

Atoms of a given element all have the same number of

Accepted Answer

electrons, protons

Question 14

All Chemical Symbols have only one letter

Accepted Answer

False

Question 15

An example of a chemcial change in matter is a(n)

Accepted Answer

egg frying

Question 16

Examples of matter include

Accepted Answer

air

Question 17

J.J. Thompson discovered

Accepted Answer

the electron

Question 18

Which is NOT a Base?

Accepted Answer

NaOH

Question 19

A + BC = B + AC is an example of

Accepted Answer

replacement

Question 20

Products of Cellular Respiration include

Accepted Answer

carbon dioxide, water

Question 21

An atom with 4 protons and 4 neutrons has an atomic number of 8

Accepted Answer

False

Question 22

Physical Sciene is best defined as the study of

Accepted Answer

matter and energy.

Question 23

Concepts in physics explain why

Accepted Answer

satellites stay in orbit around Earth

Question 24

Which is FALSE about Halogens

Accepted Answer

they are the least reactive elements

Question 25

Positive ions form when atoms lose electrons

Accepted Answer

True

Physical Science A Final Review

Questions 25

Physical Science A Final Review

Questions 25