Vocabulary VIII

Question 1

Scale models

Answer 1

are larger or smaller than the original, sometimes called physical models

Question 2

Cartographers

Answer 2

study and make maps

Question 3

The speed of light

Answer 3

light travels through a vacuum at 3,000,000 km/s, or 186,000 miles/s

Question 4

Electromagnetic spectrum

Answer 4

electromagnetic radiation chart that is arranged according to wavelength

Question 5

Visible light

Answer 5

the part of the electromagnetic spectrum that we can see

Question 6

Wavelength

Answer 6

the distance between one crest of the wave to the second crest

Question 7

Crest

Answer 7

the high point of a wave

Question 8

Trough

Answer 8

the low point of a wave

Question 9

Frequency

Answer 9

is the number of crests of a wave that pass a given point in one second

Question 10

Altimetry

Answer 10

is the measurement height of the Earth’s ocean surface above or below sea level

Question 11

Landsat satellites

Answer 11

satellites that analyze the reflected light from the surface of the earth

Question 12

Topography

Answer 12

is the relief; or shape, size, of a surface

Question 13

TOPEX/Poseidon satellites

Answer 13

satellites that analyzed the ocean’s surface and topography with radar altimetry

Question 14

Jason satellites

Answer 14

satellites that analyzed the ocean’s surface and topography with radar altimetry

Question 15

Radar altimetry

Answer 15

uses radio waves to bounce off the surface of the ocean to measure the height, or altitude.

Question 16

GPS satellites

Answer 16

satellites placed by the Navy that determine position, time, and velocity of an object on Earth

Question 17

Models

Answer 17

can be two or three dimensional representations to show something the scientist is trying to explain