2nd Grade Science : Earth and Space Science

Study concepts, example questions & explanations for 2nd Grade Science

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Example Questions

Example Question #1 : Earth And Space Science

Select the time that could be when the sun rises. 

Possible Answers:

Correct answer:

Explanation:

The sun rises in the morning. Looking at our answer choices, we have times that are in  and .

Times that are in  are morning times. Times that are in  are afternoon and evening times. 

Because the sun rises in the morning, our answer choice needs to end in 

 is the middle of the night, and the sun is not out in the middle of the night.  is a morning time and the sun could rise around 

Example Question #2 : Earth And Space Science

Select the time that could be when the sun sets. 

Possible Answers:

Correct answer:

Explanation:

The sun sets in the evening. Looking at our answer choices, we have times that are in  and .

Times that are in  are morning times. Times that are in  are afternoon and evening times. 

Because the sun sets in the evening, our answer choice needs to end in 

 is the middle of the night, and the sun is not out in the middle of the night.  is a morning time so the sun would not be setting.  is the middle of the afternoon, when the sun is at its highest point, which means that the sun would not be setting. 

 could be a time that the sun is setting. 

Example Question #3 : Earth And Space Science

Select the time that the sun is at its highest point. 

Possible Answers:

Correct answer:

Explanation:

The sun is at it's highest point during the afternoon, around 

Around  the sun is just rising, so it's at one of its lowest points. 

Around  the sun is setting, so it's at one of its highest points.

 is the middle of the night, so it the sun is not up because it's dark. 

Example Question #4 : Earth And Space Science

Select the example of reusing an object. 

Possible Answers:

Throwing away a water bottle

Buying the same type of water

Refilling a plastic water bottle. 

Buying the same type of water bottle

Correct answer:

Refilling a plastic water bottle. 

Explanation:

When you reuse something, you use something again. 

Once you are done drinking a bottle of water, if you throw it away you aren't going to reuse it. But, if you refill the water bottle, that is an example of reusing the bottle. 

Re-buying the same type of water or water bottle is not an example of reusing something. You are just buying the item again. 

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