Term 2 Revision Grade 7

Term 2 Revision Grade 7

By Tanzeel Haq

Multiple Choice

How did geologists feel about Wegener's theory?

• They ridiculed him and did not accept his theory.

• They were thrilled with him for finding the answers.

• They accepted only a part of his theory.

• They did not agree, but welcomed his work.

Multiple Choice

Who first proposed the idea of Continental Drift?

• Harry Hess

• Alfred Wegener

• Albert Einstein

• Galileo Galilee

Multiple Choice

Wegener used matching matching fossils of the same organisms on different continents as evidence to support his hypothesis of Continental Drift.

• true

• false

Multiple Choice

At its oldest, ocean crust is about __________ years old

• 300-350 million

• 180-200 million

• 3.5 billion

• 10-20 million

Multiple Choice

Rock at the mid ocean ridges...

• is the oldest rock on the earth.

• is older than continental rock.

• is younger than continental rock.

Multiple Choice

Where would the oldest rock be found?

• L
• M
• N
• O

Multiple Choice

What type of boundary is formed when plates separate?

• convergent
• horizontal
• divergent
• transform

Multiple Choice

What kind of plate boundary is shown here?

• divergent
• convergent
• transform
• strike slip

Multiple Choice

Plates move apart because of ____, a pulling force acting on plates.

• volcanoes
• tension
• faults
• rifts

Multiple Choice

Sedimentary rocks are formed when _______.

• sediments are pressed together.

• lava cools on the Earth's surface.

Multiple Choice

What factors can lead to the formation of a sedimentary rock?

• melting and solidification

• extreme heat and pressure

• compaction and cementation

Open Ended

How much shaking of a magnitude of 8 earthquake produce compared to a 5 magnitude of earthquake?

Multiple Choice

Volcanoes that are NOT found at plate boundaries occur in the middle of plates in areas called ___________. 

• hot spots
• mid-ocean ridges
• fissure volcanoes
• shield volcanoes

Multiple Choice

The scale used to measure the size of hurricanes is called the __________.

• Saffir-Simpson Scale

• Cal-Ripkin Scale

• Richter Scale

• Bart-Simpson Scale

Multiple Choice

The most dangerous type of hurricane has a score of __________.

• Category 1

• Category 3

• Category 5

• Category 4

Open Ended

WHat technology do scientists use to predict severe weather?

Multiple Choice

Natural resources are distributed ____across the Earth.

• safely
• easily
• unequally
• underground

Multiple Choice

Why are natural resources only found in certain areas on Earth?

• Different geological processes in different regions

• Economical activities in only some regions

• Distribution of the world populations

• Conflict and disagreement between countries

Multiple Choice

The theory of continental drift named a key part of this idea Pangaea. What is Pangaea?

• One of the ancient animals that helped Wegener prove that fossils from different continents originally came from the same location
•  supercontinent that existed in Earth's distant past
• The underwater ocean range in the middle of the ocean
• The hot spot which gave rise to the Hawaiian Islands, among others

Multiple Choice

What was Alfred Wegenerś Continental Drift theory?

• The continents used to be joined together to form a supercontinent.

• The continents have since drifted apart to their current location

• Pangaea was formed around 250 million years ago

• All of the above

Multiple Choice

An underground layer of permeable rock that holds groundwater which can be extracted by drilling a well is a/an

• water table

• aquifer

• watershed

• river

Multiple Choice

When more water is pumped out of an aquifer at a rate faster than the rate of its discharge, this is known as

• groundwater infiltration

• groundwater discharge

• groundwater overdraft

• groundwater discharge

Multiple Choice

What is the approximate population of men age 65-69 in the US in 2014? (see pyramid)

• 7.5 million
• 10.5 million
• 5 million
• 12 million

Multiple Choice

Name the type of pyramid in the picture.

• slow growth

• rapid growth

• zero growth

• negative growth

Multiple Choice

According to the population pyramid of this country, its population is most likely...

• growing slowly.
• growing rapidly.
• decreasing.
• not changing.

Multiple Choice

What does ecological footprint measure?

• How quantity of natural resources humans need compared to the earth's capacity to provide those resources

• The size of cities across the world

• The amount of fossil fuels that are burned for energy

• The shoe size of the average human

Multiple Choice

Which is NOT a way to decrease your ecological footprint?

• Eating less meat and processed foods
• Walking or biking to school
• Turning off electricity and water when you're not using it. 
• Driving a large car around for fun.

Multiple Choice

Our effect on the environment - a combination of what we consume, and the waste we produce.

• Ecological Fingerprint
• Ecological Footprint
• Ecological Image
• Ecological History

Multiple Choice

What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

Multiple Choice

Where do many earthquakes occur?

• plate boundaries

• the moon

• center of tectonic plates

Multiple Choice

Most earthquakes happen along the _________________. 

• coast
• faults
• desert
• directions

Multiple Choice

This earthquake is......?

• Convergent
• Transform
• Divergent
• Rift Zone

Multiple Choice

This earthquake is......?

• Convergent
• Transform
• Divergent
• Rift Zone

Multiple Choice

Rocks are brought to the surface

• melting

• deposition

• lithification

• uplift

• weathering

Multiple Choice

Statue of Liberty has changed colors over time because oxygen has caused the surface of the copper it is made of to change into a new chemical (just like copper pennies turn green). What kind of weathering is this?

• chemical weathering

• physical weathering

Multiple Choice

The rocks in this stream have gradually worn down from the water and particles in the water rubbing on them over time (abrasion). What kind of weathering is this?

• chemical weathering

• physical weathering

Multiple Choice

These plant roots are widening cracks in the rock. What kind of weathering is this?

• chemical weathering

• physical weathering

Multiple Choice

Does this show signs of physical or chemical weathering?

• Physical Weathering

• Chemical Weathering