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Science

共有 8553 道题

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Physical Science 共1503题

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多选题

Identify all of the following three statements that are true of Venus and the Earth;

Normal MiddleSchool

12

0

单选题

Which of the following has the highest energy photons?

Normal MiddleSchool

6

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问答题

A green light looks blue when seen in the reflection from the surface of a piece of non-absorbing gl...

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1

0

单选题

What will occur if a wave strikes a medium boundary at an angle greater than the critical angle?

Normal MiddleSchool

5

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单选题

You installed a brand new Energy Star-rated range in your kitchen, and you discover that it has an i...

Normal MiddleSchool

1

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问答题

Order the following three types of light bulb from least to most efficient: 1) LED; 2) Fluorescent;...

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2

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单选题

In a population of colorful parakeets, hunters often only kill the red parakeets because they are so...

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2

0

问答题

The distance between crests of a wave is 2 centimeters. If the wave travels at 10 meters per second,...

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2

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问答题

You travel in a car 1 mile north, then 1 mile east, then 1 mile south. What is the net displacement...

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1

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问答题

What quantity is equal to the product of power and time?

Normal MiddleSchool

2

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