Science Unit 4

A rock has layers and is made from small grains. What type of rock is it? 

• metamorphic
• igneous
• sedimentary 
• volcanic 

Mia claims the cliff is eroding. Which observation best supports her claim? 

• The cliff is made of sandstone.
• There is a road at the top of the cliff. 
• The rocks that make up the cliff are very, very old. 
• There are boulders and broken rocks at the bottom of the cliff. 

A scientist is studying erosion. Which would be the best place for the scientist to go to make observations? 

• the ocean floor
• an erupting volcano
• a mountain stream
• the edge of a pond 

Which landform is the result of deposition by the wind?

• river delta

• canyon

• mountain

• sand dune

Water seeps into a crack in a rock. When the water freezes, the rock splits apart. Which term best describes this process? 

• physical weathering
• chemical weathering
• erosion
• deposition 

Which of the following is the best example of a slow change in Earth's surface? 

• a landslide
• a canyon carved by moving water
• a flood carries soil from one place to another
• none of the other answer choices 

Which is the best example of erosion? 

• a river carrying tiny pieces of rock from wall of a canyon. 
• a rock becoming warmer during the day and cooler at night.
• the roots of a tree splitting a large rock as they grow wider
• all of the answer choices 

The rushing water of a river can carve solid rock into a deep canyon. What is the name of the process of carrying away rock and soil? 

• weathering
• erosion
• evaporation
• deposition 

Which of the following can rapidly change Earth's surface? 

• canyons
• chemical weathering
• erosion
• volcanoes 

Where do earthquakes occur? 

• near an epicenter
• in the mountains
• along a fault
• in the ocean