Quiz about 7th Grade science Vocabulary

Question 1

A push or pull on an object that may change the motion of the object

Accepted Answer

Force

Answer

Mass

Answer

Weight

Answer

Newtons

Question 2

The amount of matter in an object

Accepted Answer

Mass

Answer

Force

Answer

Weight

Answer

Newtons

Question 3

A measure of the force gravity exerts on an object

Accepted Answer

Weight

Answer

Force

Answer

Mass

Answer

Newtons

Question 4

The overall force exerted on an object measured in Newtons

Accepted Answer

Net Force

Answer

Balanced Force

Answer

Unbalanced Force

Answer

Friction

Question 5

Equal forces that do NOT cause a change in the object's motion

Accepted Answer

Balanced Force

Answer

Net Force

Answer

Unbalanced Force

Answer

Friction

Question 6

Unequal forces that cause a change in the object's motion - speed or direction

Accepted Answer

Unbalanced Force

Answer

Net Force

Answer

Balanced Force

Answer

Newtons

Question 7

The units used for force

Accepted Answer

Newtons

Answer

Grams

Answer

Meters

Answer

Liters

Question 8

A force that resists motion when two surfaces are touching eachother

Accepted Answer

Friction

Answer

Gravity

Answer

Air Resistance

Answer

Motion

Question 9

An force that pulls objects that have mass toward one another

Accepted Answer

Gravity

Answer

Friction

Answer

Air Resistance

Answer

Motion

Question 10

The frictional force air exerts against a moving object

Accepted Answer

Air Resistance

Answer

Friction

Answer

Gravity

Answer

Motion

Question 11

The scientist credited with the three laws of motion (He also invented calculus)

Accepted Answer

Newton

Answer

Einstein

Answer

Doppler

Answer

Washington

Question 12

Any change in the location of an object

Accepted Answer

Motion

Answer

Inertia

Answer

Speed

Answer

Velocity

Question 13

An object at rest will remain at rest and an object in motion will remain in motion until acted on by an unbalanced force.

Accepted Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Newton's Third Law

Answer

Newton's Fourth Law

Question 14

The force of an object is equal to its mass multiplied by its acceleration

Accepted Answer

Newton's Second Law

Answer

Newton's First Law

Answer

Newton's Third Law

Answer

Newton's Fourth Law

Question 15

For every action, there is an equal and opposite reaction

Accepted Answer

Newton's Third Law

Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Newton's Fourth Law

Question 16

An object's tendency to resist a change in motion

Accepted Answer

Inertia

Answer

Speed

Answer

Velocity

Answer

Acceleration

Question 17

The distance an object travels per unit of time

Accepted Answer

Speed

Answer

Inertia

Answer

Acceleration

Answer

Velocity

Question 18

The total distance an object travels divided by the total time it travels

Accepted Answer

Average Speed

Answer

Constant Speed

Answer

Velocity

Answer

Acceleration

Question 19

Speed that remains the same or does not change

Accepted Answer

Constant Speed

Answer

Average speed

Answer

Velocity

Answer

Acceleration

Question 20

Speed in a given direction

Accepted Answer

Velocity

Answer

Acceleration

Answer

Displacement

Answer

Work

Question 21

a fixed location or object used to measure and describe the motion of another object relative to it.

Accepted Answer

reference point

Answer

inertia

Answer

position

Answer

speed

Question 22

the location of an object in space relative to a specific reference point or origin

Accepted Answer

position

Answer

gravity

Answer

motion

Answer

stars

Question 23

an interaction between two objects that can cause an object to change its motion, direction, or shape

Accepted Answer

force

Answer

reaction

Answer

velocity

Answer

action

Question 24

the quantity of matter in an object

Accepted Answer

mass

Answer

pressure

Answer

force

Answer

acceleration

Question 25

the rate at which an object's velocity changes over time, including both speed and direction.

Accepted Answer

acceleration

Answer

motion

Answer

force

Answer

mass

Question 26

What year did Newton describe Laws of Motion?

Accepted Answer

1687

Answer

1970

Answer

1867

Answer

1929

Question 27

the product of an object's mass and velocity

Accepted Answer

momentum

Answer

weight

Answer

net force

Answer

acceleration

Question 28

in an isolated system, the total momentum of a group of objects remains constant

Accepted Answer

The Law of Conservation

Answer

Newtons 1st Law

Answer

Newtons 2nd Law

Answer

Newtons 4th Law

Question 29

the energy that is stored in an object due to its position relative to some zero position

Accepted Answer

potential

Answer

kinetic

Answer

constant

Answer

neutral

Question 30

a form of energy that an object or a particle has by reason of its motion

Accepted Answer

kinetic

Answer

potential

Answer

constant

Answer

conservative

Question 31

a system where, during a collision, some kinetic energy is lost and converted into other forms of energy like heat, sound, or deformation,

Accepted Answer

inelastic system

Answer

open system

Answer

close system

Answer

momentum

Question 32

produced when a rise in temperature causes atoms and molecules to move faster and collide with each other

Accepted Answer

Thermal energy

Answer

Radiant energy

Answer

gravitational energy

Answer

mechanical energy

Question 33

energy transmitted through electromagnetic waves, such as light, heat, radio waves, or X-rays,

Accepted Answer

Radiant energy

Answer

Thermal energy

Answer

Light energy

Answer

Nuclear energy

Question 34

a form of kinetic energy that refers to the electromagnetic radiation visible to the human eye

Accepted Answer

Light energy

Answer

Radiant energy

Answer

gravitational energy

Answer

Mechanical energy

Question 35

the energy which is stored in the bonds of chemical compounds (molecules and atoms).

Accepted Answer

chemical energy

Answer

thermal energy

Answer

light energy

Answer

electrical energy

Question 36

a form of energy released from the nucleus, the core of atoms, made up of protons and neutrons.

Accepted Answer

nuclear energy

Answer

thermal energy

Answer

mechanical energy

Answer

light energy

Question 37

a form of energy derived from the movement of charged particles, typically electrons, through a conductor

Accepted Answer

electrical energy

Answer

mechanical energy

Answer

gravitational energy

Answer

thermal energy

Question 38

the energy stored in an object due to its height above the Earth

Accepted Answer

gravitational energy

Answer

thermal energy

Answer

light energy

Answer

nuclear energy

Question 39

The energy acquired by the objects upon which work is done

Accepted Answer

mechanical energy

Answer

light energy

Answer

radiant energy

Answer

chemical energy

Question 40

The motion of atoms or molecules within a substance.

Accepted Answer

thermal energy

Answer

light energy

Answer

mechanical energy

Answer

sound energy

Question 41

Water in gas form.

Accepted Answer

water vapor

Answer

liquid

Answer

condensation

Answer

convection

Question 42

A process that creates new substances from existing substances and can absorb or release thermal energy.

Accepted Answer

chemical reaction

Answer

physical reaction

Answer

radiation

Answer

elements

Question 43

The process when matter loses thermal energy and changes from a gas to a liquid.

Accepted Answer

condensation

Answer

water vapor

Answer

convection

Answer

solid

Question 44

The transfer of heat by movement of molecules in a liquid or gas in which warmer molecules rise and cooler molecules sink

Accepted Answer

convection

Answer

conduction

Answer

thermal

Answer

solid

Question 45

materials in which heat flows quickly

Accepted Answer

conductors

Answer

insulators

Answer

conduction

Answer

convection

Question 46

materials in which heat flows slowly

Accepted Answer

insulators

Answer

conductors

Answer

conduction

Answer

convection

Question 47

Transfer of thermal energy by collisions between particles in matter. Occurs in solids, liquids, & gases. Metals are the best conductors.

Accepted Answer

conduction

Answer

insulators

Answer

convection

Answer

condensation

Question 48

the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid or solid matter) as it propagates away from the source of the sound.

Accepted Answer

soundwaves

Answer

light energy

Answer

electric waves

Answer

radiant

Question 49

the perceived highness or lowness of a sound, which is directly determined by the frequency of the sound wave;

Accepted Answer

pitch

Answer

volume

Answer

sound

Answer

noise

Question 50

how loud or quiet it is

Accepted Answer

volume

Answer

pitch

Answer

sound

Answer

noise

Question 51

allowing light to pass through so that objects behind can be distinctly seen.

Accepted Answer

transparent

Answer

translucent

Answer

reflection

Answer

refracted

Question 52

allowing light, but not detailed shapes, to pass through;

Accepted Answer

translucent

Answer

transparent

Answer

reflection

Answer

refract

Question 53

the bending of light or sound as it passes through something like a wall (sound) or a window (light).

Accepted Answer

refraction

Answer

reflextion

Answer

transparent

Answer

translucent

Question 54

not able to be seen through;

Accepted Answer

opaque

Answer

transparent

Answer

translucent

Answer

reflection

Question 55

the spreading of waves around obstacles, such as light, sound, or particles

Accepted Answer

diffraction

Answer

reflection

Answer

transmission

Answer

reflection

Question 56

the ability of a material to allow light to pass through it

Accepted Answer

transmission

Answer

diffraction

Answer

absorption

Answer

reflection

Question 57

the process in which light is absorbed and converted into energy

Accepted Answer

absorption

Answer

transmission

Answer

reflection

Answer

diffraction

Question 58

is caused by vibrations, which are rapid back-and-forth motions that occur when an object is disturbed by an energy source

Accepted Answer

sound

Answer

electricity

Answer

light

Answer

nuclear energy

Question 59

Work = Force x Distance," where force is measured in Newtons (N) and distance in meters (m)

Accepted Answer

Joules

Answer

force

Answer

motion

Answer

speed

Question 60

a simple machine made of a rigid beam and a fulcrum. The effort (input force) and load (output force) are applied to either end of the beam. The fulcrum is the point on which the beam pivots. When an effort is applied to one end of the lever, a load is applied at the other end of the lever

Accepted Answer

lever

Answer

hammer

Answer

seesaw

Answer

mechanical

Question 61

The basic unit of all living things

Accepted Answer

cell

Answer

chloroplast

Answer

cell membrane

Answer

mitochondria

Question 62

Parts of a cell that help it function.

Accepted Answer

organelle

Answer

nucleus

Answer

vacuole

Answer

chloroplast

Question 63

The organelle that contains DNA, the genetic material of the cell

Accepted Answer

nucleus

Answer

cell

Answer

chloroplast

Answer

cytoplasm

Question 64

The jelly-like liquid inside the cell where the organelles are found

Accepted Answer

cytoplasm

Answer

cell membrane

Answer

nucleus

Answer

chloroplast

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