SDHC Earth Space Science (2018) Sem 1 Review

Question 1

This is the first wave which occurs during an Earthquake

Accepted Answer

Primary Waves

Question 2

The inner part of the Earth which is liquid iron & nickel, is called

Accepted Answer

Outer Core

Question 3

What causes surface ocean currents

Accepted Answer

wind

Question 4

All the liquid water on the Earth is part of the..

Accepted Answer

Hydrosphere

Question 5

This area of the mantle is closest to the Core

Accepted Answer

Mesosphere

Question 6

This is formed when the top of a seamount is worn flat by ocean currents

Accepted Answer

Guyot

Question 7

A fault where a piece of tectonic plate is forced up & over an adjacent plate

Accepted Answer

Thrust Fault

Question 8

This Karst formation is formed when minerals in a cave drip down, forming cone-like structures

Accepted Answer

Stalactites

Question 9

This is a long, off-shore formation made by deposition of sand, parallel to the shore

Accepted Answer

Barrier Island

Question 10

What causes deep ocean currents?

Accepted Answer

water temperature & salinity

Question 11

The study of where living things are on the planet

Accepted Answer

Biogeography

Question 12

This process creates a fossil by drying it out, leaving skin & bone

Accepted Answer

Mummification

Question 13

This is a mechanism used to explore the ocean floor using reflection from sound waves

Accepted Answer

SONAR

Question 14

A Normal Fault could be described as..

Accepted Answer

When an adjacent piece of land slides down, leaving a cliff

Question 15

The Physical layers of earth, from the surface down, are

Accepted Answer

Lithosphere, Asthenosphere, Mesosphere, Outer & Inner Cores

Question 16

The most dangerous wave in an earthquake is ..

Accepted Answer

Surface Waves

Question 17

The type of valley created by flowing water over a long period of time is called a..

Accepted Answer

V-shaped Valley

Question 18

This is the most shallow part of the continental margin

Accepted Answer

continental shelf

Question 19

When a fossil is preserved by an animal being trapped in tree sap, it is called..

Accepted Answer

Amber

Question 20

The amount of salt in a substance is known as

Accepted Answer

Salinity

Question 21

This can form when ocean waves deposit small bits of broken rock along a coastline

Accepted Answer

Beach

Question 22

In this type of boundary tectonic plates move together producing mountains or hills

Accepted Answer

Convergent

Question 23

Warm water which move against land masses in cooler regions will affect the land by..

Accepted Answer

Moderating the climate

Question 24

Parts of the body that are similar in structure to similar parts in other species, are:

Accepted Answer

Homologous Structures

Question 25

Wind can wear away man-made structures such as statues, buildings, concrete walls, by:

Accepted Answer

Mechanical Weathering

Question 26

The concept of a change in a species over along period of time, is known as

Accepted Answer

Evolution

Question 27

The state of matter in which particles are charged, moving erratically

Accepted Answer

Plasma

Question 28

This type of weathering does not change the composition of a rock

Accepted Answer

Mechanical

Question 29

When organic material becomes rock over a long period of time, this is called..

Accepted Answer

Petrafication

Question 30

This theory suggests that tectonic plates of Earth are in constant motion

Accepted Answer

Continental Drift

Question 31

This area of the ocean floor is a flat, open expanse, with just sand on the ocean floor

Accepted Answer

Abyssal Plain

Question 32

All the gases on Earth

Accepted Answer

Atmosphere

Question 33

A effect of one end of a tectonic plate being drawn downwards, into the mantle is called

Accepted Answer

Slab Pull

Question 34

Which parts of Wagener's Theory were rejected?

Accepted Answer

The ideas that centrifugal force & tide move tectonic plates

Question 35

The movement of Carbon throughout the varies sphere's of Earth is called

Accepted Answer

Carbon Cycle

Question 36

How is heat transferred from Earth's mantle to the Crust?

Accepted Answer

Mantle Convection Currents

Question 37

This formation occurs underwater, where a river meets a larger body of water

Accepted Answer

Delta

Question 38

This is the instrument used to measure the force of waves in an Earthquake

Accepted Answer

Seismograph

Question 39

A small stream running across land could be called a

Accepted Answer

Rill

Question 40

Caused by Earth's rotation, this forces winds to spin towards the poles, in curved paths

Accepted Answer

Coriolis Effect

Question 41

the Sphere (system) of the Earth which contains all living organisms is the..

Accepted Answer

Biosphere

Question 42

When organic material changes into carbon, it is called

Accepted Answer

Carbonification

Question 43

When the ground surface collapses due to chemical weathering, it is called:

Accepted Answer

A sinkhole

Question 44

It is created by the outer core spinning, and blocks harmful particles from the sun

Accepted Answer

Magnetic Field

Question 45

This device is used to explore the ocean floor and is not attached to the ship

Accepted Answer

AUV

SDHC Earth Space Science (2018) Sem 1 Review

Questions 45

SDHC Earth Space Science (2018) Sem 1 Review

Questions 45