Features of Earth

What type of rock does magma form as it cools?hat type of rock does magma form as it cools?Molten rock is called magma.  The illustration below shows how magma can rise to Earth’s surface.  As it cools, magma turns into solid rock on the surface. 

What type of rock does magma form as it cools?

 

 

 

What type of rock does magma form as it cools?

• fossil

• igneous

• metamorphic

• sedimentary

Dr. Jones is searching for igneous rocks to add to her collection.  She is interested in rocks that have recently been formed. Where can this type of rock most likely be found?

• Near a volcano

   

• In a deep cave

• On a sandy beach

• At the mouth of a river

.  Tamika creates a display for her science project on metamorphic rocks.  She draws this diagram to show how metamorphic rock is formed.

Tamika’s Display

 

 

 

Which of the following best explains the forces that cause rocks to change into metamorphic rocks?

• Heat and pressure from the magma

• Transportation and heat in the layers below the rock

• Pressure and weathering in the layers above the rock

• Pressure from the above rock layers and heat from the magma

Minerals are identified and sorted by different physical properties.  Luster is one physical property used to sort minerals into different types.

Which of the following statements describes a mineral’s luster?

• The mineral’s color is gray.

• The mineral’s streak is clear.

• The mineral’s sides are smooth.

• The mineral’s surface reflects the light.

A river is a long body of moving water. The longest river is the Nile River in Africa. It is 4,000 miles long and flows through nine countries. Rivers provide fresh drinking water and transportation. What other resources can rivers provide?

• Coal

• Wing

• TImber

• Energy

Why do farmers and gardeners want to add limestone to their soil?

• Lime helps to give soil a black or dark color.

• Lime prevents water from soaking into the soil.

• Lime improves the quality of the soil and helps plants to grow.

• Lime is cheaper and easier to use than manure or other organic materials

Telescopes are used to see things that are far away more clearly. For instance, you can use a telescope to get a more detailed view of the rings of Saturn.

Which one of the tools below is most similar to a telescope?

• Binoculars

• Flashlight

• Kaleidoscope

• Microscope

.  Imagine you made a very thin slice of the stem of a potato plant. You placed the slice on a microscope slide and looked at the stem using the 10X lens of the microscope. What would you be able to see?

• Only the light would be visible

• The stem would look the same

• You would see the cells in the stem

• You would see the atoms within the tissue

   

Gerardo is working to landscape his backyard.  To change the slope of his yard, he puts a large pile of dirt on the side of a hill and covers it with a large tarp.  Why should the dirt be covered?

• to create a level place for building on

• to help the dirt to settle into a solid mass

• to protect the dirt from freezing temperatures

• to prevent rain from carrying the dirt down the hill

Amy has been given a sorting activity by her teacher.  She is being given a list and asked to separate all the renewable resources from the nonrenewable resources.  The list is shown below.

water, phosphate, oil, limestone, silicon, wind, and solar energy

Which of the following lists contains only renewable resources?

 

• water, phosphate, oil

• water, limestone, silicon

• water, solar energy, wind

• phosphate, limestone, wind