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1/11/19

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Last updated about 7 years ago
3 questions
1
1
1
Question 1
1.

Assume that four vehicles are traveling on a highway at the same speed. Kinetic energy can be calculated using the equation Ek = mv2 where Ek is the kinetic energy, m is the mass of the object, and v is the object’s speed. Which of these vehicles has the MOST KINETIC ENERGY?

Question 2
2.

Which of the following is an example of repetition in science?
A student designs an experiment on plant growth that includes multiple trials.
One scientist carries out the same experiment performed by another scientists to validate the results.
A scientists poses a new questions for investigation after reading the results of another scientist's work
A scientists analyzes the data included in the published work of another scientist and agrees with the conclusions.

Question 3
3.

If enough heat was removed from B, it would change into ____________.