Science Unit 3.2

What is Earth's outer core made of?

• solid rock

• liquid rocks

• solid metal

• liquid metal

Which two Earth's systems work together to cause landslides?

• hydrosphere

• atmosphere

• biosphere

• geosphere

Which one helps scientists gather information about how systems interact?

• models

• maps

• paintings

When snow or sleet occurs with high winds and cold air temperatures it's called_________

• tropical storm

• blizzard

• hurricane

• tornado

Mountain building occurs as a result of Earth's plates moving in__________

• different directions colliding into each other

• same direction

Which of the following is an interaction of the hydrosphere and the atmosphere

• volcano eruption

• hurricane

• erosion

• earthquake

Animals at risk of being extinct are called __________

• native

• nonnative

• endangered

• deforestation

The addition of harmful materials to soil, air, or water is _______________

• bacteria

• algae

• pollution

The preservation or protection of natural resources is called ____________

• condensation

• precipitation

• evaporation

• conservation