Natural Disasters & Science
Safety & Preparation
Conditionals
Cause, Effect & Impact
Tornadoes & Hurricanes
100

This severe weather event is defined as a funnel-shaped cloud of spinning air that must touch the ground to be officially classified.

Tornado

100

No matter the weather event, you should always have one of these ready, containing items like a flashlight, batteries, and first-aid supplies.

Safety kit

100

This type of conditional is used to describe a possible situation in the present or future that may or may not actually happen.

Real Conditional

100

Name two specific signal words or phrases that are commonly used by writers to identify why things happen or the results of an event.

Consequently, Thus, and As a result

100

This geographic area in the U.S., located between the Rocky and Appalachian Mountains, sees more than 1,000 tornadoes on average each year.

Tornado Alley

200

This term describes the sudden moving or shifting of the Earth's tectonic plates, causing the ground to shake.

Earthquake

200

For storms, hurricanes, or tornadoes, you should designate a shelter in this specific type of area on the lowest level of your home.

Safe Room / Interior Room

200

This type of conditional is used for improbable or impossible situations, such as imagining what you would do if it snowed in July.

Unreal conditional

200

This term refers to the scale used to measure the size and strength of an earthquake, ranging from 1.0 to 10.0.

Magnitude Scale

200

This 2017 Category 4 hurricane devastated Houston and taught the lesson that city officials must take storm threats more seriously.

Hurricane Harvey

300

This "very strong thunderstorm" is the first step in the formation of a tornado and is created by wind shear.

Supercell

300

This vocabulary word describes food items that are safe to store for a long time without refrigeration, such as canned goods.

Nonperishable

300

In an unreal conditional sentence, this specific verb form replaces "was" regardless of the subject (e.g., "If I ____ you...").

Were

300

This natural disaster, often triggered by undersea earthquakes, consists of huge waves that can be over 80 feet high.

Tsunami

300

This type of pollution was released during Hurricane Harvey when oil refineries and chemical plants were forced to shut down suddenly.

Air Pollution

400

During an earthquake, these are the smaller tremors that often follow the initial event, usually within an hour but sometimes weeks later.

Aftershocks

400

This is the recommended action if you feel the ground shake during an earthquake—even if the shaking is only slight.

Drop to the floor (Find shelter and hold on immediately)

400

This word can be used in a real conditional to mean "if... not" (e.g., "_____ it rains, we will go to the beach").

Unless

400

Besides human and environmental damage, major hurricanes like Harvey cause "staggering" damage in this category, often totaling billions of dollars.

Economic Impact

400

This vertical movement of air happens when warm air pushes through cooler air, tilting a horizontal vortex into a vertical position.

Updraft

500

This specific atmospheric tool is used by weather forecasters to indicate air pressure; very low pressure often signals an approaching storm.

Barometer

500

When a disaster is too severe to stay home, local governments designate schools or community centers as this type of location for residents.

Shelter / Evacuation Center

500

In an unreal conditional result clause, you typically use the subject followed by this auxiliary verb (e.g., "I ____ hide in the basement").

Would

500

This phenomenon occurs when a thunderstorm produces winds blowing in different directions or at different speeds, leading to air rotation.

Wind Shear

500

After Hurricane Harvey hit Houston, residents and city officials realized they hadn't taken the storm's threat seriously enough. What is one "difficult lesson" the city learned regarding how to be better equipped for future disasters?

Quotation MarksTo set aside more emergency funds for faster recovery, or for officials and residents to learn from past mistakes to understand the actual risks of flooding.

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