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Flashcards: Make observations of an object's motion

Ashley wants to investigate how objects move and see if she can make correct predictions. She knows she will have to observe the object's motion. She wants to see which surface material will allow a toy car to get down a ramp in the least amount of time. She tests the car on wood, plastic, carpet, and grass.

Which answer choice lists a reasonable observation that Ashley may make?

"The toy cars on the grass and carpet moved very quickly. The cars on the wood and plastic moved quickly. The car on the wood got down the ramp in the least amount of time."

"The toy cars on the grass and carpet moved very slowly, if at all. The cars on the wood and plastic moved quickly. The car on the plastic got down the ramp in the least amount of time."

"The toy cars on the grass and carpet moved very quickly. The cars on the wood and plastic moved slowly. The car on the plastic got down the ramp in the highest amount of time."

"The toy cars on the grass and carpet moved very slowly, if at all. The cars on the wood and plastic moved slowly also. The car on the wood got down the ramp in the highest amount of time."

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Flashcards: Make observations of an object's motion

Which answer choice lists a reasonable observation that Ashley may make?

Your answer:

"The toy cars on the grass and carpet moved very quickly. The cars on the wood and plastic moved quickly. The car on the wood got down the ramp in the least amount of time."

Your answer:

"The toy cars on the grass and carpet moved very quickly. The cars on the wood and plastic moved slowly. The car on the plastic got down the ramp in the highest amount of time."

Your answer:

"The toy cars on the grass and carpet moved very slowly, if at all. The cars on the wood and plastic moved slowly also. The car on the wood got down the ramp in the highest amount of time."

Correct answer:

"The toy cars on the grass and carpet moved very slowly, if at all. The cars on the wood and plastic moved quickly. The car on the plastic got down the ramp in the least amount of time."

Explanation:

Observations are critical in an investigation because scientists are recording what they see, and they measure to collect data for evidence. The observations help support the conclusion that is made. For Ashley's investigation, the most reasonable observation would be, "The toy cars on the grass and carpet moved very slowly, if at all. The cars on the wood and plastic moved quickly. The car on the plastic got down the ramp in the least amount of time.". This statement includes information about which cars move slowly, quickly and the fastest. The data collected sounds reasonable, cars on wood and plastic would move swiftly, and vehicles on grass and carpet would move slowly.

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Flashcards: Make observations of an object's motion

Flashcards: Make observations of an object's motion

Flashcards: Make observations of an object's motion

Flashcards: Make observations of an object's motion

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All 3rd Grade Science Resources

Flashcards: Make observations of an object's motion

Flashcards: Make observations of an object's motion

Flashcards: Make observations of an object's motion

Flashcards: Make observations of an object's motion

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DMCA Complaint

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Complaint Details

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