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# chan hee is inflating a basketball using an air pump. he notices that the pump gets warm as he uses it. what is a good hypothesis that could lead to new experimentation?

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## Chan hee is inflating a basketball using an air pump.he notices that the pump gets warm as he uses

Chan hee is inflating a basketball using an air pump.he notices that the pump gets warm as he uses it. What is… Get the answers you need, now!

09/17/2017 Biology Middle School

Chan hee is inflating a basketball using an air pump.he notices that the pump gets warm as he uses it. What is a good hypothesis that could lead to new experimentation.a)if there is no air in the basketball,then it is hard to play the game.b)a basketball that is inflated bounces better than one that is not inflated.c)if air in a pump is squeezed more,then the air gets hotter because energy is added to it.d)Basketball is more fun to play than baseball because you have to move a lot more.

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Virtuoso 5.2K answers 46.7M people helped

A good hypothesis in the given case is that inflating basketball is getting warmer, the more it is pumped, and as a result, it would possess more heat or more friction due to all the air being pumped into the basketball at a single time.

Hence, the correct answer is option c, that is, if air n a pump is squeezed more, then the air gets hotter as energy is supplemented to it.

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Ambitious 9 answers 1.2K people helped

the answer the question is c

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Based on early observations, including those in the table below, scientists proposed that the continents were once together but had drifted apart. However, scientists could not identify anything that would make them move. New technology, such as a worldwide network of earthquake detectors, led to new observations. Then scientists proposed that Earth's surface was divided into tectonic plates that would move as a result of forces linked to earthquakes and the formation of new ocean floor.

How are continental drift and plate tectonics related?

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C

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Under what condition will the results of an experiment based on a hypothesis most likely lead to new experimentation?

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when the results do not match the experimenter's predictions

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### Terms in this set (15)

Based on early observations, including those in the table below, scientists proposed that the continents were once together but had drifted apart. However, scientists could not identify anything that would make them move. New technology, such as a worldwide network of earthquake detectors, led to new observations. Then scientists proposed that Earth's surface was divided into tectonic plates that would move as a result of forces linked to earthquakes and the formation of new ocean floor.

How are continental drift and plate tectonics related?

C

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when the results do not match the experimenter's predictions

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Does all wood float in water?

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Omar wrote a hypothesis about batteries called dry cells.

If more dry cells are connected end to end, a light bulb will work longer because there is more energy available.

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not The independent variable is the number of dry cells, and the dependent variable is the amount of energy available.

Not The independent variable is the number of dry cells, and the dependent variable is the amount of energy available.

Nathan hypothesized that if the temperature of liquid water increased, the density would decrease because the volume would increase. He collected the data in the table below.

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Not The data support his hypothesis, so he should investigate if the same change happens in the density of solid water.

Not The data do not support his hypothesis, so he should investigate the effect of temperature on the density of a different substance.

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A theory changes based on new observations and testing.

Initially, scientists described atoms as the smallest particles of matter. However, smaller particles within atoms were discovered.

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by revising the theory that explained atoms to include this new information

Every object that has mass attracts every other object with a gravitational force. It has been proven that the size of the gravitational force increases as the objects' masses increase but graviational force decreases rapidly as the distance between the objects increases.

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Not Law of Universal Gravity

What is a main reason why the scientific model of atoms is considered a theory rather than a law?

It has been changed over time.

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## Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesis that could

Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesis that could lead to new

## Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesis that could

Home/ English/Physics/Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesis that could

## Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesis that could

Question

Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good hypothesis that could lead to new experimentation?

If there is no air in a basketball, then it is hard to play the game.

A basketball that is inflated bounces better than one that is not inflated.

If air in a pump is squeezed more, then the air gets hotter because energy is added to it.

Basketball is more fun to play than baseball because you have to move a lot more.

in progress 0 Physics Hồng Cúc 5 months 2 Answers 32 views 0 Share

thienthi 0

August 15, 2021 at 6:32 am

C

Explanation:

because i dont write extra stuff in my answer. 😐

mit 0

August 15, 2021 at 6:33 am

“If air in a pump is squeezed more, then the air gets hotter because energy is added to it” is a good hypothesis that could lead to new experimentation.Option: CExplanation:

If we use a pump to inflate a basketball, we initially pull the handle to draw air to fill the sphere in. As we move it down we apply a great deal of force to pump in air through the pin’s tiny hole because of this resistance force in the air we find the tube warmed.

A needle of ball pump is a metal tube in which air, from an inflating pump to a sports ball, moves through it. In continuous-flow operation, pumps are often used and built to produce comparatively little pressure towards a free-flowing environment with limited back pressure. Such pumps have a fixed configuration and work freely along their power curve as circumstances change.