Quiz about Scientific Investigations Final Exam REVIEW, Spring 2025

Question 1

What is a Force?

Accepted Answer

A push or a pull

Answer

The amount of Energy an object has

Answer

How fast an object is moving

Question 2

A 2 kg object and a 1 kg object accelerate at the same rate. Based on the equation above, for this to happen, what has to be true about the Net Force acting on the 2 kg object?

Accepted Answer

More net force

Answer

Equal net force

Answer

Less net force

Question 3

Two forces that act in the same object, are the same size, and act in opposite directions are called ________ Forces.

Accepted Answer

Balanced Forces

Answer

Unbalanced Forces

Question 4

If an object is moving to the right at a constant speed, what does this mean about the forces acting on that object?

Accepted Answer

They are balanced

Answer

They are unbalanced, and the larger force is acting to the right

Answer

They are unbalanced, and the larger force is acting to the left

Question 5

A person pushes with an equal amount of force on a car and on a lawnmower. Which object will accelerate at the greater rate?

Accepted Answer

The lawnmower because it has less mass

Answer

The car because it has more mass

Answer

Both objects will accelerate at the same rate because the same force is applied

Question 6

Based on this picture, which of the following is NOT possible?

Accepted Answer

The skater is moving to the right and gaining speed

Answer

The skater is moving to the right at a constant speed

Answer

The skater is not moving

Answer

The skater is moving to the left at a constant speed

Question 7

In the picture shown above, what is the Net Force acting on the couch?

Accepted Answer

425 N Right

Answer

25 N Right

Answer

25 N Left

Answer

105 N Down

Question 8

A soccer ball is about to be kicked by two players at the same time. In which direction will the ball accelerate while being kicked?

Accepted Answer

Right

Answer

Left

Answer

It cannot be determined without knowing the mass of the ball

Answer

It cannot be determined without knowing in which direction the ball is moving

Question 9

A fan cart accelerates across a level table. If you want the cart to accelerate at a GREATER rate, which of the following could you do? Select TWO ANSWERS

Accepted Answer

Increase the Force applied by the fan

Accepted Answer

Decrease the mass of the fan cart

Answer

Increase the mass of the fan cart

Answer

Decrease the Force applied by the fan

Question 10

Two groups of students both pull on the same rope during tug-o-war. What is the Net Force acting on the rope?

Accepted Answer

2 N Right

Answer

10 N Left

Answer

2 N Left

Answer

12 N Right

Question 11

How could the object below be moving based on the Free Body Diagram shown below?

Accepted Answer

Either A or B

Answer

It could be at rest

Answer

It could be moving at a constant velocity

Answer

It could be accelerating

Question 12

Objects can continue moving in a straight line without applying force.

Accepted Answer

True

Answer

False

Question 13

When an object is moving, there is always a force in the direction of its motion.

Accepted Answer

False

Answer

True

Question 14

Forces can act on objects at rest.

Accepted Answer

True

Answer

False

Question 15

Constant speed results from constant unbalanced force.

Accepted Answer

False

Answer

True

Question 16

Which of the following is a correct free body diagram for a ball rolling to the right across a level table at a constant speed?

Accepted Answer

[Diagram b]

Answer

[Diagram a]

Answer

[Diagram c]

Answer

[Diagram d]

Question 17

Two Parachute designs are shown above. The parachutes have the same mass. Which parachute will fall at a slower rate when dropped through the air based on our project?

Accepted Answer

The parachute on the left

Answer

The parachute on the right

Answer

They will fall at the same rate

Question 18

A box is currently moving to the right with a free body diagram as pictured below. Which of the following is the correct position - time graph for that object?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 19

When you drop the bottles and there is NO AIR RESISTANCE, which bottle will reach the ground first?

Accepted Answer

They all reached the ground at the same time

Answer

The lightest bottle

Answer

The heaviest bottle

Question 20

When you drop the bottles, which bottle has the largest acceleration due to gravity?

Accepted Answer

They all had the same acceleration

Answer

The lightest bottle

Answer

The heaviest bottle

Question 21

When you drop the bottles, which bottle had the largest Force of Gravity acting on it?

Accepted Answer

The heaviest bottle

Answer

The lightest bottle

Answer

They have the same size Force of Gravity acting on them

Question 22

Which of the following would NOT be considered matter?

Accepted Answer

Heat energy from a fire

Answer

Wood

Answer

Air

Answer

Atoms of carbon

Question 23

Which of the following is NOT made up of atoms?

Accepted Answer

A ray of light

Answer

A gas

Answer

A plant cell

Answer

A solid

Question 24

I pour liquid water into a pot, cover it with a lid, put it on the stove, and turn on the heat. I come back later to find half the liquid has turned to steam in the pot. What happened to enable this physical change?

Accepted Answer

The liquid water gained energy as it changed into steam (steam is water as a gas)

Answer

The liquid water lost energy as it changed into steam (steam is water as a gas)

Answer

No energy was transferred to the water

Answer

Energy is never transferred

Question 25

Which particles contain almost all of the mass of an atom?

Accepted Answer

Protons and Neutrons

Answer

Protons and Electrons

Answer

Neutrons and Electrons

Answer

Neutrons only

Question 26

What is the Atomic Symbol for the element that has 15 protons?

Accepted Answer

P

Answer

15

Answer

Phosphorous

Answer

30.974

Answer

16

Question 27

What is the Element name for the element that has 15 electrons?

Accepted Answer

Phosphorous

Answer

15

Answer

P

Answer

30.974

Answer

16

Question 28

What is the Atomic number Phosphorus?

Accepted Answer

15

Answer

P

Answer

Phosphorous

Answer

30.974

Answer

16

Question 29

What is the Atomic Mass of Phosphorus?

Accepted Answer

30.974

Answer

15

Answer

P

Answer

Phosphorous

Answer

16

Question 30

What is the most likely number of neutrons an atom of Phosphorus will have?

Accepted Answer

16

Answer

15

Answer

30.974

Answer

31

Answer

45.974

Question 31

Which element in the first 20 elements has the atomic symbol Cl?

Accepted Answer

Chlorine

Answer

Carbon

Answer

Chromine

Answer

Calcium

Question 32

Carbon-12 and Carbon-14 are two different isotopes of Carbon. What makes these two isotopes different?

Accepted Answer

Carbon-12 has less neutrons than Carbon-14

Answer

Carbon-12 has less protons than Carbon-14

Answer

Carbon-12 has less electrons than Carbon-14

Question 33

A Chlorine atom becomes a Chlorine ion with a 1- charge. How did the Chlorine atom become a Chlorine ion?

Accepted Answer

It gained an electron

Answer

It lost a proton

Answer

It lost an electron

Answer

It lost a neutron

Answer

It gained a proton

Question 34

Which element has the Bohr Model diagram shown below:

Accepted Answer

Helium (He)

Answer

Hydrogen (H)

Answer

Beryllium (Be)

Answer

Magnesium (Mg)

Question 35

How many valence electrons does the atom shown below have?

Accepted Answer

7

Answer

2

Answer

3

Answer

17

Answer

18

Question 36

How many electron energy shells does Chlorine have?

Accepted Answer

3

Answer

2

Answer

7

Answer

17

Answer

18

Question 37

How many electrons can fit into the outermost energy level of elements in the 2nd row of the Periodic Table?

Accepted Answer

8

Answer

2

Answer

18

Answer

36

Question 38

How many electron energy shell levels does an atom of Silicon (Si) have?

Accepted Answer

3

Answer

2

Answer

16

Answer

18

Question 39

I am an element that has 2 electron energy shells and 6 valence electrons. Which element am I?

Accepted Answer

S (Sulfur)

Answer

Ba (Barium)

Answer

O (Oxygen)

Answer

Al (Aluminum)

Question 40

What is the main difference between the isotopes Nitrogen-14 and Nitrogen-15?

Accepted Answer

They have different number of neutrons

Answer

They have different number of electrons

Answer

They have different number of protons

Answer

There is no difference between them

Question 41

Which of the following diagrams shows the Lewis Dot diagram for Magnesium?

Accepted Answer

Question 42

An new element named Summerium is discovered, and it has this Lewis Dot structure: Which Group of Elements does it belong to?

Accepted Answer

7A

Answer

1A

Answer

2A

Answer

8A

Question 43

Would an element with the Lewis Dot diagram shown below be in a Column to the left, to the right, or in the same column as Carbon?

Accepted Answer

To the left of Carbon

Answer

To the right of Carbon

Answer

In the same column as Carbon

Question 44

Which of the following elements is a non-metal?

Accepted Answer

Fluorine (F)

Answer

Aluminum (Al)

Answer

Calcium (Ca)

Answer

Lithium (Li)

Question 45

Find Sulfur (S) on your periodic table. How many protons and how many electrons will an atom of Sulfur have?

Accepted Answer

16 protons, 16 electrons

Answer

6 protons, 6 electrons

Answer

6 protons, 8 electrons

Answer

16 protons, 8 electrons

Question 46

Find Sulfur (S) on your periodic table. When a Sulfur atom becomes a chemically stable Sulfur ion with a charge of 2-, how many total electrons will it have?

Accepted Answer

18

Answer

8

Answer

16

Answer

30

Question 47

Name the element that is in Period 3, Group 4A.

Accepted Answer

Silicon (Si)

Answer

Selenium (Se)

Answer

Sulfur (S)

Answer

Sodium (Na)

Question 48

Name the element that is in Period 2, Group 6A.

Accepted Answer

Oxygen (O)

Answer

Boron (B)

Answer

Magnesium (Mg)

Answer

Sodium (Na)

Question 49

Which element has 3 energy levels and 6 valence electrons?

Accepted Answer

Sulfur (S)

Answer

Potassium (K)

Answer

Aluminum (Al)

Answer

Boron (B)

Question 50

Which element has 2 energy levels and 3 valence electrons?

Accepted Answer

Boron (B)

Answer

Sulfur (S)

Answer

Potassium (K)

Answer

Aluminum (Al)

Question 51

Which of the following elements is not a metal based on its location on the Periodic Table?

Accepted Answer

Argon (Ar)

Answer

Magnesium (Mg)

Answer

Iron (Fe)

Answer

Lithium (Li)

Question 52

Every element in period 2 (horizontal row 2) is expected to have the same number of....

Accepted Answer

Electron Energy levels

Answer

Valence electrons

Answer

Total Electrons

Answer

Protons

Question 53

Where are nonmetals generally located on the periodic table?

Accepted Answer

The right side

Answer

The left side

Answer

Along the stair step

Answer

In the bottom row

Question 54

If I am an element that does not react to form ionic bonds, in which of the labeled columns am I most likely located in the periodic table shown above?

Accepted Answer

E

Answer

A

Answer

B

Answer

C

Answer

D

Question 55

What charge will an Oxygen (O) ion have?

Accepted Answer

-2 because it will gain electrons

Answer

-2 because it will lose electrons

Answer

+2 because it will lose electrons

Answer

+2 because it will gain electrons

Question 56

What charge will a Potassium (K) ion have?

Accepted Answer

+1 because it will lose electrons

Answer

-1 because it will lose electrons

Answer

-1 because it will gain electrons

Answer

+1 because it will gain electrons

Question 57

How many electrons would the Lewis dot diagram for Phosphorus (P) have?

Accepted Answer

5

Answer

3

Answer

15

Answer

31

Question 58

How many ions of Lithium (Li) would bond with 1 ion of Sulfur (S) to form a chemically stable ionic compound?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 59

Beryllium would most likely form a stable Ionic compound by bonding with?

Accepted Answer

1 ion of Oxygen

Answer

2 ions of Oxygen

Question 60

How many Sodium (Na) ions do you need to form an ionic bond with a Nitrogen (N) ion?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 61

Oxygen has 6 valence electrons. How many electrons does it need to add to its outer shell in order to be chemically stable

Accepted Answer

2

Answer

1

Answer

4

Answer

6

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