Question 1

An indicator that orients you when describing motion is called the

Accepted Answer

time

Answer

speed

Answer

point of motion

Answer

reference point

Question 2

If you ride your bicycle down a straight road for 500m, then turn around and ride back to your starting point, your distance is ____ your displacement

Accepted Answer

greater than

Answer

equal to

Answer

less than

Answer

can't determine

Question 3

Which SI unit is appropriate for measuring distances?

Accepted Answer

Kilometer

Answer

Centimeter

Answer

Meter

Answer

All of the above

Question 4

What is a vector quantity?

Accepted Answer

A quantity with only magnitude

Answer

A quantity with only direction

Answer

A quantity with neither magnitude nor direction

Answer

A quantity with both magnitude and direction

Question 5

Acceleration is rate of change of ______

Accepted Answer

position

Answer

speed

Answer

time

Answer

velocity

Question 6

What is the definition of speed?

Accepted Answer

The distance traveled per unit time

Answer

The direction traveled per unit time

Answer

The total distance traveled

Answer

The rate of change of displacement

Question 7

What is the formula for average speed?

Accepted Answer

Total displacement / total time

Answer

Total distance x total time

Answer

Total time / total distance

Answer

Total distance / total time

Question 8

What does the slope of a distance-time graph represent?

Accepted Answer

Time

Answer

Distance

Answer

Acceleration

Answer

Speed

Question 9

What is velocity?

Accepted Answer

Speed in a given direction

Answer

Speed without direction

Answer

Distance in a given direction

Answer

Displacement per unit time

Question 10

What is true about a car with constant velocity?

Accepted Answer

it has a positive acceleration

Answer

it has a negative acceleration

Answer

it has a changing acceleration

Answer

it has a zero acceleration

Question 11

What is acceleration?

Accepted Answer

The rate of change of speed

Answer

The rate of change of displacement

Answer

The rate of change of velocity

Answer

The rate of change of distance

Question 12

What is the formula for calculating acceleration?

Accepted Answer

Total distance / total time

Answer

Total velocity / change in time

Answer

Change in distance / total time

Answer

Change in velocity / total time

Question 13

What does the slope of a speed-time graph represent?

Accepted Answer

Speed

Answer

Distance

Answer

Acceleration

Answer

Time

Question 14

What is instantaneous acceleration?

Accepted Answer

The change in speed at a specific instant

Answer

The acceleration at a specific instant

Answer

The speed at a specific instant

Answer

The distance traveled at a specific instant

Question 15

What is the unit of acceleration in the SI system?

Accepted Answer

m/s

Answer

m/s²

Answer

km/h²

Answer

km/h

Question 16

What is a force?

Accepted Answer

A push or pull on an object

Answer

The speed of an object

Answer

The mass of an object

Answer

The velocity of an object

Question 17

What is the unit of force in the SI system?

Accepted Answer

Newton

Answer

Meter

Answer

Kilogram

Answer

Joule

Question 18

Which of the following is an example of a contact force?

Accepted Answer

Gravitational force

Answer

Friction

Answer

Magnetic force

Answer

Electric force

Question 19

What is net force?

Accepted Answer

The total force acting on an object

Answer

The difference between applied force and resistance force

Answer

The force acting in the opposite direction of motion

Answer

The force required to move an object

Question 20

What is the result of balanced forces acting on an object?

Accepted Answer

The object accelerates

Answer

The object decelerates

Answer

The object moves at a constant velocity

Answer

The object does not move

Question 21

What does Newton's first law of motion state?

Accepted Answer

The force on an object is equal to its mass times its acceleration

Answer

The acceleration of an object is directly proportional to the net force acting on it

Answer

For every action, there is an equal and opposite reaction

Answer

An object in motion will stay in motion unless acted upon by an external force

Question 22

What is inertia?

Accepted Answer

The force that pulls objects toward the center of the Earth

Answer

The rate of change of velocity

Answer

The tendency of an object to resist a change in its motionT

Answer

The amount of matter in an object

Question 23

What does Newton's second law of motion state?

Accepted Answer

The force on an object is equal to its mass times its acceleration

Answer

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass

Answer

An object in motion will stay in motion unless acted upon by an external force

Answer

For every action, there is an equal and opposite reaction

Question 24

What is the formula for force according to Newton's second law of motion?

Accepted Answer

F = m/v

Answer

F = m/a

Answer

F = mv

Answer

F = ma

Question 25

What is the unit of mass in the SI system?

Accepted Answer

Kilogram

Answer

Newton

Answer

Meter

Answer

Joule

Question 26

What is Newton's third law of motion?

Accepted Answer

For every action, there is an equal and opposite reaction

Answer

The force of an object is equal to its mass times its acceleration

Answer

The acceleration of an object is directly proportional to the net force acting on it

Answer

The net force on an object is equal to the rate of change of its momentum

Question 27

Which of the following pairs represent action-reaction forces?

Accepted Answer

The force of gravity on an apple and the force of friction on the apple

Answer

The force of a car's tires on the road and the force of the road on the car's tires

Answer

The force of a plane's engine and the force of the plane's wings

Answer

The force of a book on a table and the force of the table on the floor

Question 28

What is momentum?

Accepted Answer

Mass times acceleration

Answer

Force times distance

Answer

Mass times velocity

Answer

Velocity times time

Question 29

The law of conservation of momentum states that

Accepted Answer

The total momentum of a closed system remains constant if no external forces act on it

Answer

The velocity of a moving object remains constant if no external forces act on it

Answer

The total energy of a closed system remains constant if no external forces act on it

Answer

The acceleration of an object is directly proportional to the net force acting on it

Question 30

What happens to the total momentum of two colliding objects in the absence of external forces?

Accepted Answer

It increases

Answer

It remains the same

Answer

It becomes zero

Answer

It decreases

Question 31

Which of the following forces can both attract and repel?

Accepted Answer

Gravitational force

Answer

Strong nuclear force

Answer

Electromagnetic force

Answer

Weak nuclear force

Question 32

What force holds the nucleus together?

Accepted Answer

Gravitational force

Answer

Strong nuclear force

Answer

Electromagnetic force

Answer

Weak nuclear force

Question 33

What is Newton's law of universal gravitation?

Accepted Answer

Every object in the universe attracts every other object

Answer

Objects with mass attract each other with a force proportional to the square of the distance between them

Answer

Objects with mass attract each other with a force inversely proportional to the square of the distance between them

Answer

Every object in the universe repels every other object

Question 34

The size of gravitational force between the objects depends on their ____

Accepted Answer

Frictional forces

Answer

Masses and distance between them

Answer

Speed and direction

Answer

Inertia

Question 35

What is the science of geology?

Accepted Answer

The study of stars and planets

Answer

The study of Earth's composition and structure

Answer

The study of chemical reactions

Answer

The study of living organisms

Question 36

What are the three main layers of Earth?

Accepted Answer

Lithosphere, asthenosphere, and mesosphere

Answer

Crust, surface, and core

Answer

Crust, mantle, and core

Answer

Mantle, lithosphere, and core

Question 37

What is the principle of uniformitarianism?

Accepted Answer

The idea that geologic processes have always operated in the same way

Answer

The idea that geologic processes have no effect on Earth's surface

Answer

The idea that geologic processes are constantly changing

Answer

The idea that geologic processes only operate in certain areas

Question 38

What is the lithosphere?

Accepted Answer

The weak layer of the mantle that can flow slowly

Answer

Earth's rocky outer layer and the uppermost part of the mantle

Answer

The dense metallic center of Earth

Answer

The strong lower part of the mantle

Question 39

What is the asthenosphere?

Accepted Answer

The strong lower part of the mantle

Answer

The weak, softer layer of the mantle that can flow slowly

Answer

The dense metallic center of Earth

Answer

Earth's rocky outer layer

Question 40

What is a mineral?

Accepted Answer

A naturally occurring organic solid with a crystal structure

Answer

A naturally occurring, inorganic solid with a crystal structure and a characteristic chemical composition

Answer

A man-made material with a specific composition

Answer

A solid formed from organic processes

Question 41

Which property is NOT used to identify minerals?

Accepted Answer

Streak

Answer

Color

Answer

Hardness

Answer

Size

Question 42

What is the hardness of a mineral?

Accepted Answer

The way a mineral reflects light

Answer

The density of a mineral

Answer

The resistance of a mineral to scratching

Answer

The color of a mineral's powder

Question 43

What is cleavage in minerals?

Accepted Answer

The way a mineral reflects light

Answer

The density of a mineral

Answer

The way a mineral breaks along flat surfaces

Answer

The color of a mineral's powder

Question 44

Which mineral property refers to the color of a mineral's powder?

Accepted Answer

Luster

Answer

Streak

Answer

Hardness

Answer

Cleavage

Question 45

What are the three major groups of rocks?

Accepted Answer

Metamorphic, sedimentary, and volcanic

Answer

Volcanic, igneous, and crystalline

Answer

Igneous, volcanic, and sedimentary

Answer

Igneous, sedimentary, and metamorphic

Question 46

What process forms sedimentary rocks?

Accepted Answer

Melting and cooling

Answer

Heat and pressure

Answer

Crystallization from magma

Answer

Compaction and cementation

Question 47

What is the rock cycle?

Accepted Answer

The formation of new rocks from molten material

Answer

The process by which rocks are weathered and eroded

Answer

The process by which one rock type changes into another

Answer

The cycle of volcanic activity

Question 48

What is an intrusive igneous rock?

Accepted Answer

A rock that forms on Earth's surface

Answer

A rock that forms from other rocks under heat and pressure

Answer

A rock that forms from magma inside Earth

Answer

A rock that forms from sediment

Question 49

What are clastic sedimentary rocks?

Accepted Answer

Rocks that form from magma

Answer

Rocks that form from the broken fragments of other rocks

Answer

Rocks that form from chemical precipitates

Answer

Rocks that form from organic materials

Question 50

What is the theory of plate tectonics?

Accepted Answer

The idea that Earth's plates only move during earthquakes

Answer

The idea that Earth's plates are stationary

Answer

The idea that Earth's plates are made of solid iron

Answer

The idea that Earth's plates move due to mantle convection

Question 51

What is sea-floor spreading?

Accepted Answer

The process that destroys old oceanic crust at subduction zones

Answer

The process that creates new oceanic crust at mid-ocean ridges

Answer

The process that causes earthquakes

Answer

The process that forms mountains

Question 52

What is subduction?

Accepted Answer

The process of tectonic plates moving horizontally past each other

Answer

The process of one tectonic plate sinking beneath another

Answer

The process of new crust forming at mid-ocean ridges

Answer

The process of two tectonic plates moving away from each other

Question 53

What are the three types of plate boundaries?

Accepted Answer

Divergent, convergent, and transform

Answer

Divergent, convergent, and stationary

Answer

Convergent, transform, and subduction

Answer

Transform, subduction, and divergent

Question 54

Where do most mountains form?

Accepted Answer

In oceanic crust

Answer

Near the equator

Answer

In the middle of tectonic plates

Answer

Along plate boundaries

Question 55

What causes earthquakes?

Accepted Answer

Volcanic eruptions

Answer

Meteor impacts

Answer

Stress forces in Earth's crust

Answer

Tsunamis

Question 56

What is an earthquake?

Accepted Answer

A large wave caused by underwater earthquakes

Answer

The collapse of Earth's crust

Answer

A movement of Earth's lithosphere caused by the release of built-up stress

Answer

A sudden eruption of magma from a volcano

Question 57

What is a fault?

Accepted Answer

A type of seismic wave

Answer

A fold in Earth's crust

Answer

A crack in the lithosphere that does not move

Answer

A break in Earth's crust where rocks have moved

Question 58

What are seismic waves?

Accepted Answer

Vibrations that travel through Earth and carry the energy released by an earthquake

Answer

Waves that travel on the surface of the ocean

Answer

Sound waves caused by tectonic movements

Answer

Electrical waves generated by friction in rocks

Question 59

How are earthquakes measured?

Accepted Answer

Using a thermometer

Answer

Using a seismograph

Answer

Using a barometer

Answer

Using a radar

Question 60

What causes volcanoes to erupt?

Accepted Answer

The accumulation of sediment

Answer

The buildup of pressure from gasses and molten rock beneath the surface

Answer

The collision of tectonic plates

Answer

The gravitational pull of the moon

Question 61

What is magma?

Accepted Answer

Molten rock beneath Earth's surface

Answer

Lava that has cooled and hardened

Answer

Solid rock on Earth's surface

Answer

Gaseous material from a volcano

Question 62

What is the main difference between explosive and quiet volcanic eruptions?

Accepted Answer

The time of year

Answer

The type of magma involved

Answer

The height of the volcano

Answer

The location of the volcano

Question 63

Where do most volcanoes occur?

Accepted Answer

In oceanic crust only

Answer

In the middle of tectonic plates

Answer

Along plate boundaries and at hot spots

Answer

Near the equator

Question 64

What are the three major types of volcanoes?

Accepted Answer

Hot spots, rift valleys, and mid-ocean ridges

Answer

Shield volcanoes, cinder cones, and composite volcanoes

Answer

Lava domes, mud volcanoes, and pyroclastic cones

Answer

Stratovolcanoes, calderas, and super volcanoes

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