Ch.2 Sec.2

Question 1

Velocity

Answer 1

The speed and direction of an object’s motion.

An object’s speed and direction of motion.

Ex. An object travels north 6.9m in 3s, then travels south 2.8m in 4s. Formula= d
v t

Question 2

Motion of Earth’s Crust

Answer 2

250 million years ago Earth used to be a supercontinent. Now the plate tectonics have moved creating different continents.

Earth used to be a supercontinent 250 million years ago. Now there are different continents due to plate tectonics moving.

Ex. Pangea, Continents= Russia, South America, North America

Question 3

Relative Location

Answer 3

A more general location of an object and what surrounds it.

A certain area of an object’s location and what is around it.

Ex. The store is next to the mall and across from Walgreens

Question 4

Momentum

Answer 4

Property that a moving object has because of its mass and velocity.

The property of mass and velocity from and moving object.

Ex. Which is easier to stop a bowling ball going 2m/s or a bowling ball going 5m/s. Equation: p=m•v Unit= kg•m/s