IPS FALL EXAM REVIEW

Question 1

science

Answer 1

study of nature

Question 2

physical science

Answer 2

the study of matter and energy

Question 3

matter

Answer 3

anything that has mass and volume (takes up space)

Question 4

energy

Answer 4

the ability to do work or cause change

Question 5

mass

Answer 5

the amount of matter in an object

Question 6

work

Answer 6

the transfer of energy in which a force is put on an object moves in the direction of the force

Question 7

scientific method

Answer 7

a set of steps used to solve a problem

Question 8

hypothesis

Answer 8

an educated guess made from previous observations and knowledge

Question 9

volume

Answer 9

the amount of space an object takes up

Question 10

variable

Answer 10

any factor that can make a change in the results of an experiment

Question 11

technology

Answer 11

the application of science to help people

Question 12

theory

Answer 12

an explanation of an event based on observations and experiments

Question 13

law

Answer 13

a statement that tells what happens in an event

Question 14

temperature

Answer 14

the measure of the average kinetic energy of the atoms in an object

Question 15

density

Answer 15

the mass per unit volume of a material

Question 16

model

Answer 16

something created to represent an idea

Question 17

graph

Answer 17

a visual display of information used to explain an idea or concept

Question 18

speed

Answer 18

the distance an object travels over a period of time

Question 19

velocity

Answer 19

the distance an object travels over time and the object’s direction

Question 20

acceleration

Answer 20

the change of velocity of an object over time

Question 21

g

Answer 21

the acceleration of a falling object due to gravity in a vacuum (9.8 m/s2)

Question 22

momentum

Answer 22

a property of an object based on the object’s mass and velocity

Question 23

projectile

Answer 23

any object thrown/shot through the air

Question 24

gravity

Answer 24

a force between any objects dependent on the mass of the objects. often defined as a downward force on all objects

Question 25

force

Answer 25

any push or pull on an object

Question 26

balanced force

Answer 26

equal forces but in opposite directions (net force will be zero)

Question 27

unbalanced force

Answer 27

a force greater in one direction (net force will be greater than zero)

Question 28

net force

Answer 28

the sum of all forces acting on an object

Question 29

friction

Answer 29

the force that opposes the motion between 2 surfaces in contact

Question 30

vacuum

Answer 30

an area without air

Question 31

air resistance

Answer 31

the friction caused by the force of air acting on an object opposing the object's motion

Question 32

terminal velocity

Answer 32

highest velocity a falling object will reach due to the forces of gravity and air resistance becoming balanced

Question 33

terminal velocity

Answer 33

highest velocity a falling object will reach due to the forces of gravity and air resistance becoming balanced