Quiz about Physical Science Georgia Milestone Practice Test

Question 1

Evidence of a chemical change would be a

Accepted Answer

rusting car fender

Answer

melting popsicle

Answer

spinning top

Answer

spilled bucket of water

Question 2

Moisture that collects on the outside of a cold glass results from the process of

Accepted Answer

condensation

Answer

evaporation

Answer

sublimation

Answer

vaporization

Question 3

A hot air balloon rises because

Accepted Answer

molecules move faster and farther apart when heated

Answer

molecules become lighter when heated

Answer

molecules are less attracted by gravity when heated

Answer

molecules become charged and repel each other when heated

Question 4

The solid, liquid, and gaseous states of water differ from each other in

Accepted Answer

the average speed of movement of the individual molecules

Answer

the mass of the individual atoms

Answer

the size of he individual atoms

Answer

the net electrical charge of the individual molecules

Question 5

Compare and contrast mixtures and compounds. Which statement is true about mixtures and compounds?

Accepted Answer

mixtures contain two or more elements physically combined and compounds contain two or more elements chemically combined

Answer

Both mixtures and compounds are the same throughout

Answer

Mixtures and compounds are made of two or more elements in a definite proportion

Answer

mixtures must be separated by chemical methods and compounds by physical methods

Question 6

Which symbolizes a molecule of a compound?

Accepted Answer

NaCi

Answer

He

Answer

Be

Answer

N2

Question 7

A different chemical substance is formed when

Accepted Answer

candle burns

Answer

piece of cloth is cut

Answer

cup breaks

Answer

piece of chalk breaks

Question 8

Carbon dioxide CO2 is...

Accepted Answer

a compound

Answer

an element

Answer

a solution

Answer

a mixture

Question 9

A chemical change combining two elements results in...

Accepted Answer

a compound

Answer

an atom

Answer

an element

Answer

a mixture

Question 10

All plant and animal life on Earth contains what element?

Accepted Answer

carbon

Answer

sulfur

Answer

silicon

Answer

aluminum

Question 11

Which is usually true about metals?

Accepted Answer

Metals conduct electricity more easily than nonmeals

Answer

Metals melt at a lower temperatures than any other elements

Answer

metals always have their atoms arranged into crystals

Answer

metals do not combine easily with nonmetals

Question 12

The element beryllium (Be, atomic number 4 and atomic mass 9) is right above magnesium (Mg, atomic number 12 and atomic mass 24) in the periodic table. How many more electrons does magnesium have than beryllium?

Accepted Answer

8

Answer

5

Answer

7

Answer

15

Question 13

Which action would result in a chemical change?

Accepted Answer

making blueberry muffins

Answer

crumpling several sheets of paper

Answer

pounding a nail into a piece of wood

Answer

peeling and slicing a carrot

Question 14

The amount of matter in an object is called its...

Accepted Answer

mass

Answer

weight

Answer

gravity

Answer

force

Question 15

A chemical change for a piece of metal would be

Accepted Answer

getting rusty

Answer

being bent in half

Answer

getting cut into two pieces

Answer

being painted

Question 16

Putting sand and salt together makes

Accepted Answer

a mixture

Answer

a compound

Answer

an element

Answer

a solution

Question 17

All of the substances on the periodic table are classified as elements because they

Accepted Answer

cannot be broken down into other substances

Answer

are pure substances

Answer

are composed of atoms

Answer

cannot be dissolved in water or other liquids

Question 18

Which is correct symbol for the element sodium?

Accepted Answer

Na

Answer

S

Answer

Al

Answer

Cl

Question 19

Which statement is true about the electrical properties of metals?

Accepted Answer

metals are good electrical conductors

Answer

metals have high electrical resistance

Answer

lightweight metals are the best conductors

Answer

metals an plastics are both good insulators

Question 20

A difference between physical change an chemical change is that

Accepted Answer

different kinds of molecules are present after a chemical change but not a physical change

Answer

a chemical change involves energy while physical change does not

Answer

physical change involves energy while chemical change does not

Answer

different kinds of molecules are present after a physical change but not a chemical change

Question 21

Silver is white metal that is an excellent conductor of heat ad electricity. The density of silver is 10.49 g/cm3. Silver does not react with water but does not react with nitric acid. Silver tarnishes when exposed to air. A physical property of silver is

Accepted Answer

the density of silver is 10.49 g/ cm3

Answer

silver reacts with nitric acid

Answer

silver does not react with water

Answer

silver tarnishes when exposed to air

Question 22

Each element in the periodic table is assigned an atomic number. This number is the same as...

Accepted Answer

the number of protons in the atom's nucleus

Answer

the number of electrons in the atom's nucleus

Answer

the number of neutrons in the atom's nucleus

Question 23

Which shows only a physical change in the wood?

Accepted Answer

cutting wood

Answer

a tree

Answer

burning wood

Answer

ashes of the wood

Question 24

Two or more atoms, joined covalently, that act as a unit, are called a(n)...

Accepted Answer

molecule

Answer

ion

Answer

atom

Answer

mixture

Question 25

During science lab, some students added small pieces of magnesium (Mg) to hydrochloric acid (HCI). They noticed bubbles formed, the test tube got hot, and the magnesium disappeared. Which of the following is a sign that a chemical reaction has taken place in this experiment?

Accepted Answer

formation of gas

Answer

odor

Answer

decrease in tempature

Answer

formation of precipitation

Question 26

Stan did an experiment. The following are his results. Which one of these provided evidence of a physical property?

Accepted Answer

cornstarch felt slippery

Answer

vinegar fizzed

Answer

test tube got hot

Answer

cornstarch turned black

Question 27

Which of these is an observed chemical property?

Accepted Answer

powder reacts with vinegar

Answer

color of powder

Answer

density of powder

Answer

powder dissolves in water

Question 28

As you move across the periodic table from left to right within a period, the elements...

Accepted Answer

change from metals to nonmetals

Answer

become less stable

Answer

become more reactive

Answer

change from gases to solids

Question 29

Through which of the following materials does heat travel the fasest

Accepted Answer

metal

Answer

glass

Answer

plastic

Answer

wood

Question 30

Which of the following is an example of kinetic energy?

Accepted Answer

a child jumping rope

Answer

a swimmer ready to dive

Answer

a stuffed toy lying on a table

Answer

firewood stacked in a fireplace

Question 31

Which represents kinetic energy?

Accepted Answer

a salmon leaping up a waterfall

Answer

a bear standing in a field of berries

Answer

a salmon resting in still water

Answer

a bear holding a salmon it has caught

Question 32

When a hair dryer is being used, one of the energy transformations that takes place is

Accepted Answer

electrical to mechanical

Answer

electrical to chemial

Answer

mechanical to electrical

Answer

chemical to electric

Question 33

When electrical energy is "used" by an electric light, what really happens to the energy

Accepted Answer

it is given off as other forms of energy

Answer

it changes matter

Answer

it stops at the electric light

Answer

it dissapears

Question 34

In which state of matter are molecules in contact with each other but free to move?

Accepted Answer

liquid

Answer

solid

Answer

gas

Question 35

A car stopped at the top of the ramp has...

Accepted Answer

potential energy

Answer

heat energy

Answer

kinetic energy

Answer

mechanical energy

Question 36

In an amusement park a moving bumper car (car 1) collides with a bumper car at rest (car 2) and, after the collision, both cars move. If momentum is conserved, which statement is correct?

Accepted Answer

The momentum of car 1 decreases and the momentum of car 2 increases

Answer

The momentum of car 1 increases and the momentum of car 2 decreases

Answer

The total momentum of both cars increase

Answer

The total momentum of both cars decrease

Question 37

To pull up a bucket of water from a well, George pulled hard on a handle to wind up a rope. Which kind of energy was George applying to the handle?

Accepted Answer

mechanical energy

Answer

chemical energy

Answer

frictional energy

Answer

potential energy

Question 38

What is the process by which heat energy gets to Earth from the sun?

Accepted Answer

radiation

Answer

conduction

Answer

subduction

Answer

convection

Question 39

Which situation is an example of increasing potential energy?

Accepted Answer

pulling a wagon uphill

Answer

emptying a bucket of water

Answer

a cat jumping from a tree

Answer

a bicyclist stopping at a stop sign

Question 40

A pitcher throws a baseball towards the catcher and batter. Which of these has MOSTLY kinetic energy?

Accepted Answer

the ball

Answer

the pitcher

Answer

the batter

Answer

the catcher

Question 41

How do microwaves cook food?

Accepted Answer

by using elctromagnetic waves and the process of radiation

Answer

by using hot air currents through the process of convection

Answer

by using the movement of charged particles through the process of induction

Answer

by using direct contact of moving particles through the process of conduction

Question 42

On a cold, winter day, Sheena rubs her hands together. Stored chemical energy is transformed into mechanical energy. Due to the Law of Conservation of Energy some of the energy is also transformed into...

Accepted Answer

heat energy

Answer

light energy

Answer

solar energy

Answer

kinetic energy

Question 43

What form of energy is associated with the movement of charges, usually electrons?

Accepted Answer

electrical

Answer

chemical

Answer

heat

Answer

sound

Question 44

_____ energy is produced when a force causes a substance to vibrate, and the energy transferred through the substance in a wave.

Accepted Answer

sound

Answer

heat

Answer

light

Answer

mechanical

Question 45

Which term refers to the rate of change in motion?

Accepted Answer

acceleration

Answer

speed

Answer

momentum

Answer

velocity

Question 46

What must happen to an object in order to accelerate it?

Accepted Answer

a net force must be applied

Answer

some weight must be removed

Answer

its frictional coefficient must be reduced

Answer

it must contain momentum

Question 47

A car is traveling down a hill. Which if the following will affect the amount of energy the car has?

Accepted Answer

how much the car weighs

Answer

how long the car is

Answer

the day of time

Answer

the color of the car

Question 48

This graph shows the velocity of a car. Which statement BEST explains how the car is moving?

Accepted Answer

velocity is increasing, so the car is accelerating

Answer

velocity is decreasing, so the car is accelerating

Answer

velocity is increasing, so the car is not accelerating

Answer

velocity is decreasing, so the car is not accelerating

Question 49

All objects in the universe is attracted to each other by the force of

Accepted Answer

gravity

Answer

effort

Answer

friction

Answer

inertia

Question 50

Jeff was riding in a car. Which change demonstrates the GREATEST effort of inertia?

Accepted Answer

the car makes a sudden stop

Answer

the car slows down gradually

Answer

the car changes into another lane

Answer

the car runs out of gas and rolls to a stop

Question 51

Manuel is coasting on a bike. Because he is not pedaling, his bike will come to a stop. Which of these will cause his bike to stop

Accepted Answer

the force of friction

Answer

an increase of kinetic energy

Answer

Earth's magnetic field

Answer

the property of inertia

Question 52

Simon rolled a ball down a hill. The ball stopped before it reached the bottom of the hill. Which of these MOST LIKELY stopped the ball from rolling?

Accepted Answer

friction

Answer

mass

Answer

gravity

Answer

inertia

Question 53

The force that holds to Earth's  surface is..

Accepted Answer

gravity

Answer

weight

Answer

mass

Answer

pressure

Question 54

Which is true about friction and gravity?

Accepted Answer

both are forces

Answer

both cause energy loss

Answer

both cause things to speed up

Answer

both cause heat

Question 55

If you travel to the moon, your weight would be about one-sixth less than it is on Earth. This s because the moon...

Accepted Answer

is much less massive than Earth

Answer

has a smaller circumference tha Earth

Answer

rotates much slower than Earth

Answer

has no water on it surface

Question 56

When a gas forms a liquid, which process is taking place?

Accepted Answer

condensation

Answer

freezing

Answer

boiling

Answer

evaporation

Question 57

Which statement about molecules in ice and the molecules in water is?

Accepted Answer

The molecules in ice are less free to move than the molecules in liquid water

Answer

The molecules in ice have more energy than the molecules in liquid water

Answer

The molecules in ice contain different atoms than the molecules in liquid water

Answer

The molecules in ice have more electric charge than the molecules in liquid water

Question 58

Which is not an example of a physical change?

Accepted Answer

wood burning

Answer

ice melting

Answer

salt crystals being ground to powder

Answer

water evaporating

Question 59

Which of the following is a compound?

Accepted Answer

Water

Answer

Oxygen

Answer

Nitrogen

Answer

Air

Question 60

Which symbol represents carbon?

Accepted Answer

C

Answer

Ca

Answer

N

Answer

K

Question 61

Gasoline, wood, water behind a dam, and a boulder on the edge of a cliff all represents some form of potential energy. What form of potential energy do gasoline and wood have in common?

Accepted Answer

chemical

Answer

heat

Answer

light

Answer

mechanical

Question 62

Which runner won the race?

Accepted Answer

A

Answer

B

Answer

C

Question 63

Which runner had a head start?

Accepted Answer

B

Answer

A

Answer

C

Question 64

What does this graph represent?

Accepted Answer

Constant Speed

Answer

Acceleration

Answer

Not moving

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