Chapter 1.1-1.4 Flashcards Preview

Science 8th grade > Chapter 1.1-1.4 > Flashcards

Flashcards in Chapter 1.1-1.4 Deck (11):
1

motion

an object's change in postion relative to a reference point

2

speed

the distance traveled divided by the time interval during which the motion occurred

3

velocity

the speed of an object in a particular direction

4

acceleration

the rate at which velocity changes

5

force

a push or pull

6

newton

the SI unit for force

7

net force

the combination of all of the forces acting on an object

8

friction

a force that opposes motion between two surfaces that are in contact

9

gravity

a force of attraction between objects that is due to their masses

10

weight

a measure of the gravitational force on an object

11

mass

a measure of the amount of matter in an object