Cosmic Chaos
Earth Under Pressure
Rock Cycle Remix
Ecosystem Survival
Food Web Frenzy
100

Earth rotates on its axis, causing this daily pattern.

What is day and night?

100

This layer of Earth is broken into large moving plates.

What is the crust?

100

Cooling magma forms this type of rock.

What is igneous rock?

100

Living parts of an ecosystem are called this.

What are biotic factors?

100

Plants are called this in a food web.

What are producers?

200

The Moon appears to change shape because of these.

What are moon phases?

200

Earth’s hottest layer is the ______.

What is the inner core?

200

Layers of compacted sediment form this rock type.

What is sedimentary rock?

200

Water, sunlight, and temperature are examples of these ecosystem factors.

What are abiotic factors?

200

Animals that eat only plants are called this.

What are herbivores?

300

Summer happens when this hemisphere tilts toward the Sun.

What is the hemisphere experiencing summer?

300

When tectonic plates suddenly move, this natural event happens.

What is an earthquake?

300

Heat and pressure change rocks into this type.

What is metamorphic rock?

300

When food becomes scarce, populations usually do this.

What is compete?

300

An organism that breaks down dead matter is called this.

What is a decomposer?

400

Ocean tides are mainly caused by the gravitational pull of these two objects.

What are the Moon and the Sun?

400

This layer is made of hot rock that slowly flows beneath Earth’s crust.

What is the mantle?

400

Weathering and erosion break rocks into smaller pieces called this.

What is sediment?

400

When food becomes limited in an ecosystem, populations usually respond in this way.

What is will stop growing and may decrease?

400

If the mouse population suddenly disappears, what will MOST likely happen to snake populations?

What is decrease?

500

If Earth had NO tilt, this seasonal pattern would mostly disappear.

What are seasons?

500

Why do scientists believe Earth’s outer core is liquid?

What is because seismic waves move differently through it?

500

Magma that cools below Earth’s surface forms this type of rock.

What is intrusive igneous rock?

500

An ecosystem is considered a system because of this reason.

What is living and nonliving things interact and affect one another?

500

If snakes (predators) disappear from a food web, this population may increase because fewer predators are hunting them.

What are prey populations?