Human Impacts
Natural Impacts
Weather and Climate
Oceans Under Threat
100

This is what we call dirty air caused by cars and factories.

What is air pollution?

100

This is a mountain that can erupt lava, ash, and gases.

What is a volcano?
100

This instrument is used to measure temperature.

What is a thermometer?

100

This is the main material that is polluting oceans and harming marine life.

What is plastic?

200

This is a gas produced by burning fossil fuels that contributes to climate change.

What is carbon dioxide?

200

This natural process moves soil and rocks from one place to another.

What is erosion?

200

This is the layer of gases surrounding Earth.

What is the atmosphere?

200

This happens when harmful substances enter ocean water.

What is ocean pollution?

300

This type of resource will eventually run out if it is used too much.

What is a nonrenewable resource?

300

This is a large ocean wave usually caused by underwater earthquakes.

What is a tsunami?

300

This is how much water vapor is in the air.

What is humidity?

300

This type of pollution comes from spilled fuel from ships or drilling.

What is an oil spill?

400

This is the impact humans have on biodiversity when species disappear due to human activity.

What is extinction?

400

This is the process where sediment builds up in new locations over time.

What is deposition?

400

This is the movement of air caused by differences in temperature and pressure.

What is wind?

400

This happens when fertilizer runoff causes algae to grow too much, using up oxygen in water.

What is algal bloom?

500

This happens when too many factories, cars, and power plants release gases that trap heat in the atmosphere.

What is the greenhouse effect?

500

This is the slow rising and falling of ocean water caused mainly by the Moon’s gravity.

What are tides?

500

This weather event is a powerful storm that forms over warm ocean water.

What is a hurricane?

500

This process occurs when coral loses its color and can die due to warming waters.

What is coral bleaching?

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