Quiz about Sps7 Sps8

Question 1

If you slow the motion of water molecules down, they are more likely to become

Accepted Answer

colder.

Answer

a gas.

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hotter.

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absorbed.

Question 2

Which state or states of matter take(s) the shape of its container?

Accepted Answer

liquid and gas

Answer

gas

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solid

Answer

liquid

Question 3

The molecules that make up a plastic two-liter bottle

Accepted Answer

are closer together than the molecules of soda that they contain.

Answer

are in constant, rapid, random motion.

Answer

have a volume of more than two liters if melted.

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expand to take the shape of wherever the bottle is placed.

Question 4

The most abundant state of matter in the universe is also the state with the most kinetic energy. That is

Accepted Answer

plasma

Answer

gas

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liquid

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solid

Question 5

A scientist observes that the particles of a gas are arranged as shown. If the gas begins to condense into a liquid, which particle arrangement would MOST LIKELY be observed?

Accepted Answer

<img src="https://www.usatestprep.com/modules/gallery/files/79/7991/7991_thumb.jpg" border="0" alt="C">c

Answer

<img src="https://www.usatestprep.com/modules/gallery/files/79/7989/7989_thumb.jpg" border="0" alt="A">a

Answer

<img src="https://www.usatestprep.com/modules/gallery/files/79/7990/7990_thumb.jpg" border="0" alt="B">b

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<img src="https://www.usatestprep.com/modules/gallery/files/79/7992/7992_thumb.jpg" border="0" alt="D">d

Question 6

Plasma occurs in electrical sparks. These sparks contain

Accepted Answer

ions and electrons.

Answer

free protons.

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free molecules.

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neutrons and protons.

Question 7

Solids are often defined as having a definite shape, while gases and liquids have no definite shape. This can best be explained by the fact that

Accepted Answer

solids have a more ordered arrangement of atoms than liquids and gases.

Answer

in solids molecules move faster than in liquids or gases.

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solids have less internal energy than liquids and gases.

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solids have the least orderly internal structure.

Question 8

Elaborate on the reason(s) that matter is said to move even as in a solid state.

Accepted Answer

The particles are not able to move out of their positions relative to one another, but do have small vibrational movements.

Answer

The particles are bound through intermolecular forces but are able to move past each other with relative freedom.

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The particles have sufficient energy to become an ionized gas and are in the most common state of matter in the universe.

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The particles are not bound to one another, move quickly, have a low density, and are able to spread apart from one another if unconstrained.

Question 9

Which of these statements best supports the conclusion that a substance is in the plasma phase?

Accepted Answer

The substance contains charged particles.

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The substance is flowing.

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The substance has low kinetic energy.

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The substance is at a high temperature.

Question 10

A rock is inside a water-filled balloon. This balloon is resting on the ground in an open field. Which picture correctly depicts the placement of molecules for the rock, balloon and outside of the balloon?

Accepted Answer

<img src="https://www.usatestprep.com/modules/gallery/files/235/23550/23550.jpg" alt="B" border="0" style="max-width:250px; _width:250px">b

Answer

<img src="https://www.usatestprep.com/modules/gallery/files/235/23547/23547_thumb.jpg" border="0" alt="A">a

Answer

<img src="https://www.usatestprep.com/modules/gallery/files/235/23553/23553_thumb.jpg" border="0" alt="C">c

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<img src="https://www.usatestprep.com/modules/gallery/files/235/23556/23556_thumb.jpg" border="0" alt="D">d

Question 11

When a solid such as ice begins to melt, heat energy is added. What is the function of this added heat energy?

Accepted Answer

to break the bonds between the individual water molecules

Answer

to increase potential energy

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to separate hydrogen atoms from oxygen atoms

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to add energy to the hydrogen bonds among water molecules

Question 12

A substance heats and cools quickly. What do you know about this substance?

Accepted Answer

It has a low specific heat capacity.

Answer

It has a high specific heat capacity.

Answer

It is undergoing a phase change.

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It is most likely water.

Question 13

When a warm object is brought near a cool object, the cool object will ____________.

Accepted Answer

warm up

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cool off

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remain unchanged

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evaporate

Question 14

Different objects don't heat at the same rate because they have different ___________.

Accepted Answer

specific heats

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boiling points

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temperature

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energy

Question 15

The measure of the average kinetic energy of the particles of a substance is the ___________.

Accepted Answer

temperature

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kinetic energy

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thermal energy

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heat

Question 16

What is going to happen to the volume of a gas that is put under MORE pressure while keeping the temperature constant?

Accepted Answer

The volume will decrease.

Answer

The volume will increase.

Answer

The volume will fluctuate.

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The volume will remain constant.

Question 17

Why might a balloon, that is inflated almost to its capacity, pop or explode on an extremely warm day?

Accepted Answer

the balloon might pop due to the increase in the volume of the gas.

Answer

The balloon may be faulty.

Answer

It might pop because of the weakening of the balloon by the heat.

Answer

The balloon might pop because the volume will decrease within the balloon.

Question 18

Jenavius placed a marshmallow in the microwave to make a smore for desert. The marshmallow expanded when it was heated. How can you best describe why this happened?

Accepted Answer

As the marshmallow was heated the particles moved faster increasing its volume.

Answer

As the marshmallow was heated the particles moved faster decreasing its volume.

Answer

As the marshmallow was heated the particles moved slower increasing its volume.

Answer

As the marshmallow was heated the particles moved slower decreasing its volume.

Question 19

Timothy plays basketball in his driveway during the summer. By accident, he left the basketball outside during the winter. He tried to bounce it, but it would not bounce because it was partially deflated. During the winter, air molecules in the basketball move _____________ than in the summer. As a result, the pressure of the basketball is ___________ in the winter.

Accepted Answer

slower, low

Answer

slower, high

Answer

faster, low

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faster, higher

Question 20

How is the temperature of a gas related to the kinetic energy of its particles?

Accepted Answer

As the temperature increases, the kinetic energy of the particles increases.

Answer

As the temperature extends, the kinetic energy of the particles decreases.

Answer

As the temperature decreases, the kinetic energy of the particles increases.

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As the temperature intensifies, the kinetic energy of the particles decreases.

Question 21

Ladasha placed a marshmallow in a syringe for science class when she pulled the plunger out increasing the volume in the syringe the marshmallow expanded. How can this best be explained?

Accepted Answer

As the pressure decreased in the syringe the volume of the marshmallow increased.

Answer

As the pressure increased in the syringe the volume of the marshmallow increased.

Answer

As the pressure decreased in the syringe the volume of the marshmallow decreased.

Answer

As the pressure increased in the syringe the volume of the marshmallow decreased.

Question 22

Where are valence electrons located?

Accepted Answer

elecrons in outer most energy level

Answer

electrons in inner energy level

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protons in nucleus

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amount of electrons

Question 23

what type of chemical bounds shared electrons

Accepted Answer

covalent

Answer

protons

Answer

isotopes

Answer

ionic

Question 24

what does the group number tell us?

Accepted Answer

same # of valence electrons

Answer

# of protons

Answer

Atomic mass

Answer

mass number

Question 25

what are isotopes

Accepted Answer

differ in nuetrons

Answer

differ in protons

Answer

difference in covalent

Answer

difference in elecrons

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