2nd Grade Science : Earth and Space Science
Study concepts, example questions & explanations for 2nd Grade Science
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Example Questions
Example Question #5 : The Changing Shape Of Land And Water
Many people will model the shape of a body of water with a map. A map shows people where the water is and what it looks like from above.
False
True
True
Maps are a perfect way to show the shapes and kinds of water that are in an area. By mapping, a body of water, people can see the shape, size, depth, and how the surrounding land is shaped as well. Making a map is a clear way to demonstrate details about a body of water.
Example Question #6 : Use A Model To Represent The Shapes Of Water In An Area
Reba has to make a model of bodies of water in her area. Her teacher tells her she can pick one of the local lakes, ponds, or the ocean shore. She also gets modeling clay, water, and a tray. Which item should she choose to help her make her model accurate?
A drawing a classmate created
A detailed local map
A globe
A photo of a family fishing
A detailed local map
Maps are a perfect way to show the shapes and kinds of water that are in an area. By mapping, a body of water, people can see the shape, size, depth, and how the surrounding land is shaped as well. If the map is local and, detailed Reba can use this as a plan to follow when making the model.
Example Question #7 : Use A Model To Represent The Shapes Of Water In An Area
What is NOT a characteristic of ALL Earth’s bodies of water?
Their locations vary.
They are unique in shape and size.
They are made of water.
They are very deep.
They are very deep.
Not all of Earth's bodies of water are very deep. Some bodies of water, like a stream, can be very shallow. All bodies of water are indeed water, vary in location, and are unique in their size and shape.
Example Question #1 : Use A Model To Represent The Shapes Of Water In An Area
Amaya's class is creating models to represent the shapes of water in different areas. She was assigned to the ocean.
Which material(s) would be the best to use to represent an ocean?
Soda, water, leaves, and rocks
A bowl, ice, rocks, and dirt
A bowl, salt, sand, and water
Water, leaves, a bowl, and rocks
A bowl, salt, sand, and water
The best materials to select would be the bowl, salt, sand, and water. The ocean is a solid made of saltwater with sand on the shores and bottom. The container can be filled with sand on the bottom and mix the saltwater to form the liquid portion. This would best represent the ocean as a model.
Example Question #1 : Use A Model To Represent The Shapes Of Land In An Area
In what way(s) can you represent the shapes and kinds of land in an area in a realistic way?
Build a model, sketch a drawing, or make a map
Create a song and dance about landforms in your area
There is no way to represent the shape of the land
You can use your body to make the shape of the land
Build a model, sketch a drawing, or make a map
The most realistic and reasonable answer choice for representing the shapes and kinds of land in an area would be to build a model, sketch a drawing, or make a map. These activities would be good representations of the earth. A model can be made out of clay or loose materials to look three-dimensional, a map is an accurate way to show people the land, and a drawing can be a great interpretation of how you see the shapes.
Example Question #2 : Use A Model To Represent The Shapes Of Land In An Area
Maps show where things are located. You can map the shapes and kinds of land in any area.
False
True
True
This statement is true. A map does show where things are and can help people locate places and landforms. Maps can represent mountains, deserts, valleys, and other landforms. Different kinds of maps even are three-dimensional and have texture to help you feel what the landforms are like.
Example Question #3 : Use A Model To Represent The Shapes Of Land In An Area
Which material would be the best to use to create a model of a mountain?
Modeling clay
Sand
Dirt
Water
Modeling clay
The best material to use to create a model of a mountain needs to be something moldable, sturdy, and able to hold its shape. Modeling clay would meet all of these characteristics. The clay could be pressed into a mountain shape. It could even be painted or have other materials added to it to make it look more realistic.
Example Question #4 : Use A Model To Represent The Shapes Of Land In An Area
What does the term landform mean? Example: We were each assigned a landform, and we have to make a model. I was assigned a volcano and am so excited!
A form that must be filled out to purchase a home
A natural feature of the Earth's surface
A human-made structure
A cover that is placed over different parts of the land for protection
A natural feature of the Earth's surface
The term landform is used in both science and geography. A landform is a naturally made feature of the Earth's surface. In the example, the student was assigned a volcano as a landform. Other landform examples include mountains, hills, valleys, and canyons.
Example Question #1 : Use A Model To Represent The Shapes Of Land In An Area
What is a characteristic of Earth’s landforms?
Landforms were all made by humans and planned.
There are no characteristics of landforms that we know of.
Each landform was created through natural processes over time.
All landforms are nearly identical, there is very little difference between them.
Each landform was created through natural processes over time.
A characteristic that all of Earth's landforms have in common is that they were created over time through natural processes. Landforms are changed Earth due to the process of weathering and erosion. As the Earth is changed, existing landforms change, and new landforms are created.
Example Question #2 : Use A Model To Represent The Shapes Of Land In An Area
LeBron has to make a model of the shapes of the land in his area. He gets modeling clay, dirt, grass, rocks, and a tray. Which item should he choose to help make his model accurate?
A detailed local map
A photo of Mount Everest
A drawing his brother made
A globe
A detailed local map
Maps are a perfect way to show the shapes of the land that is in an area. By mapping the land, people can see the shape, size, and how the surrounding bodies of water are shaped as well. If the map is local and, detailed LeBron can use this as a plan to follow when making the model.
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