Earth and Space Science 7th Grade

_________ is produced at the mouth of a river by deposition.

• delta
• dome mountain
• underwater canyon
• cavern

The term CONSERVE means to ____________.

• share
• waste
• save
• measure

In a particular region, a change in climate would likely have a greater effect on organisms than a change in weather would. Which of the following statements best explains why?

• A change in climate causes more earthquakes than a change in weather does.
• A change in climate causes clouds to form faster than a change in weather does.
• A change in climate affects the number of daylight hours more than a change in weather does.
• A change in climate affects an environment for a longer period of time than a change in weather does.

Which of the following describes water changing from liquid to solid?

• ice forming on a lake
• dew forming on grass
• snow melting into a puddle
• water evaporating from a pond

Which of the following is a mineral?

• diamond
• plastic
• steel 
• wood

While hiking last year, Mike saw a large boulder next to a mountain trail. The boulder had no cracks. While hiking on the trail this year, he saw two large cracks in the boulder. Which of the following most likely caused these cracks to form?

• shaking from high winds
• pressure from flowing water
• erosion due to falling rain and snow
• weathering due to freezing and thawing

Which of the following data would be most useful for describing the climate of a specific area?

• average weekly wind speeds for 1 month
• daily relative humidity levels for 18 months
• total annual precipitation amounts for 2 years
• average high and low monthly temperatures for 20 years

A student observed a rock made up of many small particles of sand arranged in light-colored layers and dark-colored layers. Which of the following statements describes how this type of rock most likely formed?

• Clay was crushed and frozen under a glacier.
• Lava from a volcano cooled quickly in water.
• River sediments were slowly compacted and cemented together.
• Mineral deposits hardened into solid rock in underground caves.

In a city near the ocean, fog often forms on summer mornings. Which of the following statements best explains how this fog forms?

• Ocean water evaporates and then condenses in the air.
• Crashing waves spray tiny drops of ocean water into the air.
• Water runoff moves toward the ocean and collects near the shore.
• Rain clouds move in from the ocean and evaporate as they reach the shore.

Owen tested a physical property of a mineral. He rubbed a mineral sample on a piece of white tile. The mineral left a red mark on the tile. Which of the following physical properties of the mineral was Owen most likely testing?

• cleavage
• hardness
• luster
• streak