Unit 6 - Earth's Systems: Natural Hazards Test - Study Guide

A trace of a plant or animal that lived long ago is __________________________.

• metamorphic rock

• rift

• sedimentary rock

• fossil

An opening where pieces of Earth's crust are being pulled apart is_______________________________________.

• fossil

• rift

• metamorphic rock

• sedimentary rock

Why are Volcanoes and earthquakes changing Iceland?

• Iceland has many lakes and hot springs.

• Iceland is under the ocean.

• Iceland is very cold.

• Iceland sits on top of a mid-ocean ridge.

Elizabeth finds a fossil in a rock. Which of these would the fossil help her determine?

• Color of the rock

• Age of the rock

• Texture of the rock

• Grain size of the rock

Rock formed from sediment from the weathering and erosion of rock on Earth's surface is _________________________.

• rift

• fossil

• sedimentary rock

• metamorphic rock

Peter found a rock that contained some fossil fish bones. What can he conclude about his rock?

• It comes from the youngest rock layer.

• It formed in a desert.

• It comes from the oldest rock layer.

• It formed in water.

Some impacts of earthquakes can be reduced________________________.

• By building structures that can sway with the motion.

• By building structures that do not move with the motion.

• By satellites to monitor warning buoys in the ocean.

• By using thermometers to measure the ground temperatures.

____________________________can be used to possibly detect and reduce the impact of volcanic eruptions.

• Satellites

• Anchors

• Floating buoys

• Seismometers

Scientist can use_______________________________to measure and help predict when a volcano will erupt.

• small earthquakes and gases in the air near the volcano.

• temperature of lava flows.

• lengths of nearby fault lines.

• increases in severe weather.

Maria and Carlos's family live close to an active volcano. What is the best way their family can reduce the impact of an eruption and stay safe?

• Evacuate when they see a lava flow reaching their home.

• Always wear masks to cover their mouths.

• Listen to the local news and follow evacuation instructions.

• Protect their home with lava-proof building materials.