Quiz about Final Exam Spring 2024

Question 1

Why did the sand separate from the water after being left undisturbed in a container?

Accepted Answer

Sand particles are denser than water.

Answer

Water is a liquid and sand is a solid.

Answer

The sand was insufficiently stirred.

Answer

There was more sand than water.

Question 2

What is the formula for density?

Accepted Answer

Density = Mass / Volume

Answer

Density = Mass x Volume

Answer

Density = Volume / Mass

Answer

Density = Mass + Volume

Question 3

Which observation indicates a chemical change?

Accepted Answer

Gas bubbles form in the test tube.

Answer

The metal is bendable.

Answer

A Liquid is clear and colorless.

Question 4

What happens to the molecules of liquid water as it starts to freeze?

Accepted Answer

They decrease in speed.

Answer

They move more freely.

Answer

They increase in size.

Question 5

What happens to the volume of a balloon when the temperature in the air decreases?

Accepted Answer

The volume of the balloon decreases.

Answer

The volume of the balloon increases.

Answer

The volume of the balloon remains the same.

Question 6

Select all of the terms that identify a part of an atom.

Accepted Answer

Proton

Accepted Answer

Nucleus

Accepted Answer

Electron

Answer

Isotope

Answer

Molecule

Question 7

What does the 8 represent in the periodic table for Oxygen?

Accepted Answer

Atomic number

Answer

Atomic mass

Answer

Chemical symbol

Answer

Number of valence electrons

Question 8

What does the "O" represent in the periodic table for Oxygen?

Accepted Answer

Chemical symbol

Answer

Atomic number

Answer

Atomic mass

Answer

Number of valence electrons

Question 9

What does the 15.999 represent in the periodic table for Oxygen?

Accepted Answer

Atomic mass

Answer

Atomic number

Answer

Chemical symbol

Answer

Number of valence electrons

Question 10

The smallest particle of matter that can be identified as an element is called

Accepted Answer

an atom.

Answer

a proton.

Answer

an electron.

Answer

a molecule.

Question 11

When a formula unit of magnesium sulfide, MgS, is separated into magnesium and sulfur particles, the particles are called

Accepted Answer

ions

Answer

molecules

Answer

isotopes

Answer

compounds

Question 12

When iron combines with oxygen in a moist environment, rust forms because of a

Accepted Answer

chemical reaction.

Answer

physical reaction.

Answer

change in density.

Answer

change in temperature.

Question 13

Which range of the pH scale would most likely include acid rain?

Accepted Answer

4-6

Answer

5-7

Answer

7-9

Answer

10-12

Question 14

When a mixture of oxygen and hydrogen is ignited in a test tube, the reaction shown occurs. What happens to the total mass of the contents of the test tube?

Accepted Answer

The total mass remains the same.

Answer

The total mass increases.

Answer

The total mass decreases.

Answer

Part of the mass is changed to heat energy.

Question 15

All organisms process nutrients. Which sentence best describes how plants and animals process nutrients similarly?

Accepted Answer

Cells break down nutrients into usable forms

Answer

Energy from sunlight produces nutrients

Answer

Nutrients increase the strength of cell walls

Answer

Nutrients are broken down by the digestive system

Question 16

The process by which green plants and some other organisms use sunlight to make their own foods from carbon dioxide and water is called?

Accepted Answer

photosynthesis

Answer

cellular respiration

Answer

prokaryotism

Answer

eukaryotism

Question 17

The process by which animal (and a few plant) cells get energy from glucose (sugar) is known as?

Accepted Answer

cellular respiration

Answer

photosynthesis

Answer

prokaryotism

Answer

eukaryotism

Question 18

How will the clear-cutting of forests affect the level of carbon dioxide in the atmosphere?

Accepted Answer

It will increase because of decreased photosynthesis

Answer

It will decrease because of decreased photosynthesis

Question 19

According to the Law of Conservation of Matter, in a chemical reaction, the bonds between atoms are broken and are reconstructed to form new molecules. This applies to the "cell energy cycle" because the products in cellular respiration...?

Accepted Answer

become the reactants used in photosynthesis

Answer

disappear into the atmosphere

Answer

stay in an organism forever

Question 20

Bubbles form in the test tube after 20 minutes of being in the light. The bubbles forming in the test tube are the result of what chemical process?

Accepted Answer

Photosynthesis

Answer

The Carbon Cycle

Answer

Cellular Respiration

Answer

Fermentation

Question 21

When humans burn fuels, __________ is released into the atmosphere.

Accepted Answer

Carbon Dioxide

Answer

Oxygen

Answer

Hydrogen

Answer

Helium

Question 22

__________ is the process where carbon and oxygen are recycled by producers and consumers.

Accepted Answer

Carbon-oxygen cycle

Answer

Water Cycle

Answer

Nitrogen Cycle

Question 23

The long-term type of carbon cycle that takes millions of years and interacts with rocks and minerals is known as the __________.

Accepted Answer

geological carbon cycle

Answer

biological carbon cycle

Question 24

Rain, sleet, hail, and snow are all examples of __________.

Accepted Answer

Precipitation

Answer

Evaporation

Answer

Condensation

Answer

Accumulation

Question 25

The __________ hold(s) 96.5% of the Earth's water and is the primary pathway of water into the water cycle.

Accepted Answer

Oceans

Answer

Rivers

Answer

Lakes and ponds

Answer

Atmosphere

Question 26

Seasons change because __________.

Accepted Answer

Earth is tilted on its axis as it revolves around the Sun.

Answer

Earth rotates on its axis.

Answer

the amount of energy from the Sun changes.

Answer

Earth's distance from the Sun changes.

Question 27

This type of heat transfer occurs when two objects are in contact (touch) with each other.

Accepted Answer

Conduction

Answer

Radiation

Answer

Convection

Answer

Insulation

Question 28

The boundary between cold and warm air masses is called a __________.

Accepted Answer

front

Answer

landmass

Answer

airmass

Question 29

The daily conditions of the atmosphere in an area is called __________.

Accepted Answer

weather

Answer

climate

Question 30

Which air mass contains cold, dry air?

Accepted Answer

cP

Answer

cT

Answer

mT

Answer

mP

Question 31

What type of weather front is represented by a line with blue triangles pointing in one direction?

Accepted Answer

Cold front

Answer

Warm front

Answer

Stationary front

Answer

Occluded front

Question 32

What type of weather front is represented by a line with red semi-circles pointing in one direction?

Accepted Answer

Warm front

Answer

Cold front

Answer

Stationary front

Answer

Occluded front

Question 33

What type of weather front is represented by a line with alternating red semi-circles and blue triangles?

Accepted Answer

Stationary front

Answer

Warm front

Answer

Cold front

Answer

Occluded front

Question 34

Which elements on the periodic table have the same characteristics?

Accepted Answer

Elements in the same family (column)

Answer

Elements in the same row (period)

Answer

Elements on opposite sides of the periodic table

Question 35

Mixing two dangerous elements can create a harmless substance.

Accepted Answer

True

Answer

False

Question 36

Put the liquids in order from most dense to least dense?

Accepted Answer

4, 3, 2, 1

Answer

1, 2, 3, 4

Answer

3, 4, 2, 1,

Answer

4, 3, 1, 2

Question 37

Why does ice float?

Accepted Answer

Solid water is less dense than liquid water.

Answer

Liquid water is less dense than solid water.

Answer

Gaseous water is less dense than solid water.

Answer

Liquid water is less dense than gaseous water.

Question 38

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

Accepted Answer

2 g/cm3

Answer

8 g/cm3

Answer

1/2 g/cm3

Answer

24 g/cm3

Question 39

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

Accepted Answer

7 g/cm3

Answer

7 mL

Answer

28 g/cm3

Answer

1/7 g/cm3

Question 40

What environmental element assists rusting?

Accepted Answer

oxygen

Answer

nitrogen

Answer

carbon

Answer

hydrogen

Question 41

What element rusts?

Accepted Answer

iron

Answer

carbon

Answer

manganese

Answer

potassium

Question 42

A rusting bicycle

Accepted Answer

chemical change

Answer

physical change

Question 43

How many atoms in S₈?

Accepted Answer

8

Answer

1

Answer

4

Answer

I don't know!!

Question 44

How many atoms in 2S₈?

Accepted Answer

16

Answer

2

Answer

10

Answer

64

Question 45

How many atoms are in C₃H₆O?

Accepted Answer

10

Answer

9

Answer

1

Answer

18

Question 46

What is the mass number of an atom that contains 9 protons, 10 neutrons, and 9 electrons?

Accepted Answer

19

Answer

9

Answer

10

Answer

18

Question 47

What is the mass number of an atom that contains 8 protons, 9 neutrons, and 8 electrons?

Accepted Answer

17

Answer

8

Answer

9

Answer

16

Question 48

What is the Law of Conservation of mass?

Accepted Answer

Mass is never created or destroyed

Answer

Mass is created in a chemical reaction

Answer

Mass is created in a physical change

Answer

New chemicals formed from a chemical reaction have a larger overall mass than the original reactants

Question 49

In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g. How many grams does reactant B should have?

Accepted Answer

4g

Answer

5g

Answer

9g

Answer

14g

Question 50

A cat is hanging out several feet from a fire in a fireplace. This causes the kitty cat to get warm. The kitty cat is warm because of...

Accepted Answer

Radiation

Answer

Convection

Answer

Conduction

Answer

The fur sweater he's wearing!

Question 51

A fireman that is at a building that is on fire feels a door and it is hot. Why does his hand feel hot?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

The Human Torch was on the other side!

Question 52

As you hold a piece of ice, it begins to melt from the warmth of you hand on it. This is because of

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

the fact that you are the Human Torch from the Fantastic Four.

Question 53

What type of front is over Texas?

Accepted Answer

warm front

Answer

cold front

Answer

stationary front

Answer

occluded front

Question 54

Which of the following symbols represents a cold front?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 55

Which of the following symbols represents a warm front?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 56

Which of the following symbols represents a stationary front?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Final Exam Spring 2024

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