5th Grade Science STAAR Review 5

Earth is made up of layers. The crust is the thinnest. It is made of ___________, which are gigantic slabs of rocks.

• plates
• faults
• earthquaques
• tsunami

When plates move it makes _____________ which are movements in the Earth's crust caused by a sudden shift in the plates.

• plates
• faults
• tsunami
• earthquakes

A ______ is a giant wave caused by earthquakes on the ocean floor.

• faults
• tsunami
• crust
• plates

A __________ is a mountain that builds up around unpinning in the Earth's crust. Sometimes melted rocks, gasses are forced out.

• tsunami
• volcano
• earthquake
• faults

Magma rises up a volcano through an opening called the vent. When the magma reaches the top of the volcano, it is called ________.

• tsunami
• earthquake
• volcano
• lava

A ______ is the sudden downhill movement of loose rock and soil. Heavy rain can cause this to move quickly down a slope.

• landslide
• tsunami
• faults
• earthquakes

A _______ is a physical feature on the Earth's surface, like mountains, canyons, and valleys.

• landform
• earthquake
• faults
• crust

An organism that spends a significant portion of its life in or on a living host

• predator
• prey
• host
• parasite

How can fertilizer harm an ecosystem?

• May kill insects that help pollinate the crops
• May evaporate causing smog in the air
• May help crops to grow
• May run into a nearby body of water causing an algae bloom

Why is decomposition important to life processes?

• It helps plants absorb sunlight
• It helps organisms get oxygen
• It helps return nutrients to the environment
• It helps organisms break down sugar to use for energy