Quiz about GMAS Physical Science Review

Question 1

Which are examples of chemical change? Select THREE answers.

Accepted Answer

An egg is cooked.

Accepted Answer

A silver quarter tarnishes.

Accepted Answer

Leaves in a compost pile rot.

Answer

Sugar dissolves in water.

Answer

Water in a pan boils away.

Question 2

Which state of matter has a fixed volume (amount of space it takes up) but not a fixed shape?

Accepted Answer

liquid

Answer

gas

Answer

solid

Question 3

A student wants to make water vapor condense. What must the student do to the water vapor?

Accepted Answer

cool it

Answer

heat it

Answer

trap it in a container

Answer

mix it with other gases

Question 4

Why might a glove stick to a sweater when you take them out of a clothes dryer?

Accepted Answer

The glove and the sweater have opposite charges.

Answer

Both items are dry.

Answer

An electric current flows between the glove and the sweater.

Answer

An electric current reduced the number of electrons in both items.

Question 5

Which of these is a way to make an electromagnet stronger?

Accepted Answer

wrapping the wire around the iron core more times

Answer

putting a switch in the electrical circuit

Answer

replacing the iron core with a copper core

Answer

replacing the copper wire with plastic wire

Question 6

What happens when a mixture is separated?

Accepted Answer

The substances stay the same.

Answer

A substance is lost.

Answer

A new substance is formed.

Answer

The mass of the substances changes.

Question 7

What type of wave has the most energy?

Accepted Answer

a high-frequency wave

Answer

a low-frequency wave

Answer

a wave length with Hertz

Answer

a wave with a magnetic field

Question 8

What property of electromagnetic waves makes it possible to use these waves to transmit information between a space shuttle and NASA mission control centers on the ground?

Accepted Answer

Electromagnetic waves can travel through a vacuum.

Answer

Electromagnetic waves have very low velocity.

Answer

Electromagnetic waves are transverse waves.

Answer

Electromagnetic waves are all visible to human eyes.

Question 9

Which statement best describes the model that shows a compound?

Accepted Answer

Model X shows a compound because two different atoms are chemically bonded together.

Answer

Model X shows a compound because there are two different types of atoms.

Answer

Model Y shows a compound because there is more than one type of atom.

Answer

Model Y shows a compound because each pair of matching atoms can form a chemical bond.

Question 10

What is a PUSH or PULL of an object?

Accepted Answer

Force

Answer

Motion

Answer

Friction

Answer

Gravity

Question 11

Which of the following is a physical change of water?

Accepted Answer

All of the above

Answer

Snow

Answer

Ice

Answer

Steam

Question 12

Mrs. Smith put 3 cups of water in a pot on the stove and turned it on to "high." She let the water boil for a few minutes, and then took it off of the stove to cool. Once the water had cooled, she measured it again, and found that there was only 2 ³/₄ cups left. What happened to the water?

Accepted Answer

The water vaporized into steam and left the pot.

Answer

Mrs. Smith spilled the water on the floor.

Answer

The water transformed into carbon dioxide gas and floated away.

Answer

The water froze onto the bottom of the pan.

Question 13

There are three forms of heat transfer.  Which one travels from the Sun to the Earth?

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Answer

Heat doesn't travel from the Sun

Question 14

What force is the man trying to overcome

Accepted Answer

gravity and friction

Answer

air resistance and the lever

Answer

friction and mass

Answer

air resistance and gravity

Question 15

What forces are acting on the bus during Section 3?

Accepted Answer

gravity and friction

Answer

mass and gravity

Answer

weight and friction

Answer

mass and weight

Question 16

Describe the acceleration of the bus at Section 1

Accepted Answer

positive

Answer

negative

Answer

constant

Answer

not moving

Question 17

Describe the velocity of the bus during Section 1.

Accepted Answer

Increasing

Answer

Constant speed

Answer

Decreasing

Answer

Return to start

Question 18

Which of the following will definitely cause a change in the velocity of a parked car?

Accepted Answer

The car experiences an unbalanced force

Answer

All forces acting on the car increase by 1N

Answer

All forces acting on the car decrease by 1N

Answer

The forces acting on the car are equal and balanced

Question 19

What is the total force and direction?

Accepted Answer

50N to the right

Answer

350N to the right

Answer

50N to the left

Answer

The cart doesn't move

Question 20

The tendency of a stationary object to resist being put into motion is known as

Accepted Answer

inertia

Answer

acceleration

Answer

weight

Answer

velocity

Question 21

Which of the following is a correct statement about the investigations?

Accepted Answer

Situations 1 and 3 are physical changes because no new substances are formed.

Answer

All of the situations are examples of physical changes because all of the investigations exhibit changes to the physical properties.

Answer

None of the situations are examples of physical changes because they all involve a color change.

Answer

Situation 2 is a physical change because rust forming is a natural process.

Question 22

Electrons will move easily through Aluminum. Based on this, we know Aluminum is a(n)

Accepted Answer

conductor

Answer

insulator

Question 23

Magnets have a north and a south ___________

Accepted Answer

pole

Answer

shape

Answer

color

Answer

region

Question 24

Where is the strongest attraction force of the magnet?

Accepted Answer

at the poles

Answer

in the middle

Answer

above the magnet

Answer

below the magnet

Question 25

The table shows the number of neutrons, protons, and electrons for two atoms. How are the two atoms alike?

Accepted Answer

They have the same mass number.

Answer

They have the same charge.

Answer

They have the same atomic number

Answer

They are atoms of the same element.

Question 26

The diagram shows the arrangement of electrons in a neon atom. How many protons are present in this atom's nucleus?

Accepted Answer

10

Answer

8

Answer

2

Answer

There is not enough information to answer this question.

Question 27

How many of each atom are in the compound above?

Accepted Answer

3 magnesium atoms, 6 iron atoms, and 12 oxygen atoms

Answer

1 magnesium atom, 2 iron atoms, and 4 oxygen atoms

Answer

3 magnesium atoms, 2 iron atoms, and 4 oxygen atoms

Answer

6 magnesium atoms, 6 iron atoms, and 12 oxygen atoms

Question 28

In this model, which particle determines the reactivity of this atom?

Accepted Answer

Particle Z

Answer

Particle W

Answer

Particle X

Answer

Particle Y

Question 29

The part of an atom that would be found outside the nucleus is the _______.

Accepted Answer

electron

Answer

positron

Answer

proton

Answer

neutron

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