Identifying Variables, Questions, Hypotheses, And Problem Statements

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| By Jungeon
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Jungeon
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| Attempts: 2,926 | Questions: 13
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1. What type of food do puppies prefer?
What is this?   testable question    hypothesis   problem statement

Explanation

question mark

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2. Mice will finish the maze in the least amount of time.
What is this?    testable question    hypothesis    problem statement

Explanation

will

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3. How does the size of a motor affect speed?
Which is the DV?

Explanation

in this experiment..speed depends on the size of the motor

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4. In an experiment, the variable that is deliberately changed or manipulated by the researcher is called the __________ variable.

Explanation

In scientific experiments, the independent variable is the factor that the researcher intentionally changes to observe its effect on another variable. It's the presumed "cause" in a cause-and-effect relationship. Identifying the independent variable is crucial for understanding the design and interpreting the results of an experiment.

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5. How does the amount of exercise affect your pulse rate?
Which is the IV?

Explanation

test different amounts of exercise

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6. Will asking questions in class improve test grades?
Which is the DV?

Explanation

your test grades are dependent on you asking questions when you dont understand.

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7. Which vitamin gives people the most energy?
Which is the DV?

Explanation

the amount of energy depends on the type of vitamin

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8. The effect of temperature on the height of a plant
What is this?   testable question   hypothesis   problem statement

Explanation

could be used as a title of a graph (not a complete statement)

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9. How to earthworms respond to different amounts of light?
Which is the IV?

Explanation

test full light, partial light, and no light

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10. Is the speed of a roller coaster dependent on the shape of the car?
Which is the DV?

Explanation

the speed depends on the aerodynamic shape of the car

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11. How many minutes will a glider stay in the air with different masses?
Which is the DV?

Explanation

the number of minutes depends on the shape of the wings

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12. If the plant is in a dark room, it will stop growing.
Which is the IV?

Explanation

the amount of light is the only variable being changed (tested)

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13. Do kids prefer sugar or salt?
Which is the IV?
 

Explanation

sugar and salt is the variable that changes. Their preference is the outcome.

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What type of food do puppies prefer?What is this?   testable...
Mice will finish the maze in the least amount of time.What is...
How does the size of a motor affect speed? Which is the DV?
In an experiment, the variable that is deliberately changed or...
How does the amount of exercise affect your pulse rate?Which is...
Will asking questions in class improve test grades? Which is the DV?
Which vitamin gives people the most energy? Which is the DV?
The effect of temperature on the height of a plantWhat is...
How to earthworms respond to different amounts of light? Which is the...
Is the speed of a roller coaster dependent on the shape of the car?...
How many minutes will a glider stay in the air with different masses?...
If the plant is in a dark room, it will stop growing.Which is the IV?
Do kids prefer sugar or salt?Which is the IV? 
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