science

Question 1

Objects that are fixed to Earth make good reference points.

Answer 1

true

Question 2

The rise is the vertical difference between any two points on the graphed slope.

Answer 2

true

Question 3

The run is the horizontal distance between any two points on the graphed slope.

Answer 3

true

Question 4

Average speed refers to any change in an object’s speed or a change in the object’s direction of motion.

Answer 4

false

Question 5

If the force on an object is kept constant, the object’s acceleration would be increased by increasing the mass.

Answer 5

false

Question 6

Action - reaction forces are always balanced.

Answer 6

false

Question 7

Friction increases as surfaces push harder against each other.

Answer 7

true

Question 8

Sliding friction is what makes moving objects slow down and stop.

Answer 8

true

Question 9

The factors that control the amount of gravitational force between two objects are the mass of the objects and the distance of the objects.

Answer 9

true

Question 10

An object is in __________ if its position changes when compared to another object.

Answer 10

motion

Question 11

A(n) ___________ is a place or object used for comparison to determine whether something is in motion.

Answer 11

reference point

Question 12

A(n) ___________ is a push or pull.

Answer 12

force

Question 13

In the International System of Units, the unit for the strength of a force is called a(n) _______.

Answer 13

Newton

Question 14

The ______ on an object is the combination of all the forces acting on that object.

Answer 14

net force

Question 15

The speed at which an object travels in a given direction is called _________.

Answer 15

velocity

Question 16

Scientists define ______________ as the rate at which velocity changes.

Answer 16

_acceleration_____

Question 17

The units of measure used to identify acceleration are _______________.

Answer 17

meters per second squared

Question 18

The more massive an object’s mass is the _________ its inertia.

Answer 18

greater

Question 19

Friction is a force that acts in a direction opposite to the motion of another object that eventually __________ one or both objects in contact with each other.

Answer 19

stops

Question 20

Friction acts in a direction ________to the direction of the object’s motion.

Answer 20

opposite

Question 21

If similar materials are used, _________ is much easier to overcome than sliding friction.

Answer 21

rolling friction

Question 22

The forces that keep a couch from moving is _____ between the couch and the floor.

Answer 22

static friction

Question 23

When an object is moving through the air, the fluid friction acting on an object is often referred to as ______.

Answer 23

air resistance

Question 24

The more mass an object has, the __________ the gravitational force between it and other objects.

Answer 24

greater

Question 25

Gravitational force depends on the distance between the object’s __________

Answer 25

centers

Question 26

Objects that are fixed to Earth make good reference points.

Answer 26

True

Question 27

The rise is the vertical difference between any two points on the graphed

Answer 27

True

Question 28

The run is the horizontal distance between any two points on the graphed slope.

Answer 28

True

Question 29

Average speed refers to any change in an object's speed or a change in the object's direction of motion.

Answer 29

False

Question 30

If the force on an object is kept constant, the object's acceleration would be increased by increasing the mass.

Answer 30

False

Question 31

Action - reaction forces are always balanced.

Answer 31

False

Question 32

Friction increases as surfaces push harder against each other.

Answer 32

True

Question 33

Sliding friction is what makes moving objects slow down and stop.

Answer 33

True

Question 34

The factors that control the amount of gravitational force between two objects are the mass of the objects and the distance of the objects.

Answer 34

true

Question 35

An object is in __________ if its position changes when compared to another object.

Answer 35

motion

Question 36

A(n) ________ is a place or object used for comparison to determine whether something is in motion.

Answer 36

reference point

Question 37

A(n) __________ is a push or pull.

Answer 37

force

Question 38

In the International System of Units, the unit for the strength of a force is called a(n) ________.

Answer 38

Newton

Question 39

The ___________ on an object is the combination of all the forces acting on that object.

Answer 39

net force

Question 40

The speed at which an object travels in a given direction is called ____________.

Answer 40

velocity

Question 41

Scientists define _____________ as the rate at which velocity changes.

Answer 41

acceleration

Question 42

The units of measure used to identify acceleration are ____________.

Answer 42

meters per second squared

Question 43

The more massive an object's mass is the _________ its inertia.

Answer 43

greater

Question 44

Friction is a force that acts in a direction opposite to the motion of another object that eventually ___________ one or both objects in contact with each other.

Answer 44

stops

Question 45

Friction acts in a direction ________to the direction of the object’s motion.

Answer 45

opposite

Question 46

If similar materials are used, ___________ is much easier to overcome than sliding friction.

Answer 46

rolling friction

Question 47

The forces that keep a couch from moving is _____________ between the couch and the floor.

Answer 47

static friction

Question 48

When an object is moving through the air, the fluid friction acting on an object is often referred to as _____________.

Answer 48

air resistance

Question 49

The more mass an object has, the ______________ the gravitational force between it and other objects.

Answer 49

greater

Question 50

Gravitational force depends on the distance between the object’s __________.

Answer 50

centers

Question 51

_________ is a measure of the amount of matter in an object.

Answer 51

Mass

Question 52

_________ is a measure of the force of gravity on an object.

Answer 52

Weight