Science Unit Test: The Earth The Sun and The Moon

Which choice identifies bodies in the solar system that are rocky, have mountains and a crust, and revolve around another body in our solar system?

• Moon and Earth

• Earth

• Sun

• Earth, Sun, Moon

Which choice explains a use of a Venn diagram?

• illustrates similarities and sizes only

• illustrates ways things are similar and different

• graphs sizes and amounts using bars

• charts numbers using shapes

Which choice explains how Earth’s movement and the way we see the Sun are connected?

• The Sun is stationary, but Earth’s rotation makes it appear to move east to west across the sky. 

• Earth’s rotation around the Sun makes the Sun appear to move across the sky every 24 hours.

• The Sun is stationary, but Earth’s clockwise rotation makes it appear to move west to east across the sky.

• The Sun and Earth move around each other, so the Sun moves east to west across the sky.

What is one-way shadows are affected by the apparent movement of the Sun across the sky every 24 hours?

• Shadows disappear before noon every day. 

• Shadows may get longer or shorter depending on the season.

• Shadows get longer as noon approaches.

• Shadows get shorter as noon approaches.

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What energy keeps the water cycle going?

• The wind’s energy blows the clouds around the earth’s atmosphere and causes the water cycle.

• Evaporation powers the water cycle because the vapor rises up to the clouds and condenses. 

• The sun’s energy heats the earth’s surface causing water to heat and evaporate.

• The air’s energy cools water vapor, condensation occurs, and precipitation falls.

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What movement causes the day and night cycle on Earth?

• Every 24 hours Earth rotates on its axis.

• Once a day the Moon rises up into the sky. 

• Every 24 hours Earth revolves around the Sun.

• Once a day the Sun circles around Earth.

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How do weather and climate differ?

• Climate refers to patterns of temperature, precipitation, and wind conditions that happen during major storms only. Weather happens daily.

• Weather refers to elements outside like temperature, precipitation, and wind conditions at any given time. Climate is the types of weather patterns in a location over many years.

• Climate refers to elements outside like temperature, precipitation, and wind conditions at any given time. Weather is the types of weather patterns in a location over many years.

• Weather refers to temperature and precipitation patterns in a location. Climate refers to wind and major storm patterns in a location.

Which choice is an example of a climate description? 

• An extremely dangerous tornado hit Jarrell, Texas in 1997 destroying 40 homes. 

• In March 1971, Canada was hit by a major blizzard and up to 32 inches of snow fell. 

• The U.S. gulf coast was hit by Hurricane Katrina in 2005 and suffered extensive damage.

• The U.S. gulf coast typically has warm, wet weather and tropical storms during the summer and fall.

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Why does rainwater near an ocean not taste salty?

• When the Sun heats up ocean water, the saltwater rises in the air. When the salt and water separate, the salt becomes a powder than blows away in the wind.

• When the Sun heats up ocean water, only the water vapor is light enough to rise in the air. The saltwater mixture separates, and the salt and water evaporate separately.

• When the Sun heats up ocean water, the saltwater rises in the air. The salt becomes part of the clouds which explains why clouds look so white in the sky over an ocean.

• When the Sun heats up ocean water, only the water vapor is light enough to rise in the air. The saltwater mixture separates, and the salt stays behind in the ocean.

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Which choice is an example of weather, as opposed to climate?

• North Dakota averages 26 to 38 inches of snow each year.

• Southwestern Arizona gets less than 4 inches of rain a year. 

• A tropical storm hit Florida with 45 mile an hour winds and torrential rains.

• Each year, Hawaii averages over 17 inches of rain, mostly during the winter.

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