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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

To cook food, a microwave oven converts electrical energy into ________ energy. Responses A electromagneticelectromagnetic B gravitationalgravitational C mechanicalmechanical D nuclear
Asked by Blaine 1 answer
How does the rediscovery of Hart’s letter influence the community? Responses It teaches soldiers to preserve their belongings carefully. It teaches soldiers to preserve their belongings carefully. It causes political lea...
Asked by mimi 1 answer
Which is not a reason that scientists conduct investigations? Responses A Achieving fame.Achieving fame. B Explore natural phenomena.Explore natural phenomena. C Development of technology.Development of technology. D Tes...
Asked by Akim 1 answer
What does the phrase “quiet defiance” in paragraph 6 most likely refer to? Responses Ignoring military orders to bake bread Ignoring military orders to bake bread Choosing civilian tasks over military duties Choosing civ...
Asked by mimi 1 answer
Why might a scientist repeat an experiment if he/she did not make a mistake in the first one? An experiment should be repeated to Responses A increase income for increased work.increase income for increased work. B prove...
Asked by Akim 1 answer
Consider the light bulb graph above. Carl develops a brightness scale and records the level of brightness as time increases. What do you suppose most likely occurred at point X on the graph? Responses A the power went ou...
Asked by Akim 1 answer
How does the author introduce and build interest in the historical importance of Hart’s letter? Responses By starting with the personal setting of its discovery and then expanding to its broader impact By starting with t...
Asked by mimi 1 answer
The background history of Romans, Zambians and other communities on the negative attitude towards persons with disabilities. Give references
Asked by Arnold 1 answer
Mrs. Ortega is showing her class how the Sun shines light on Earth. She uses a lamp pointed at a globe as a model. She slowly turns the globe.What is true about this model? Responses A This model shows the time of sunris...
Asked by Akim 1 answer
Samuel is trying to hear what is being said on the other side of the door, but the sound of the voices has to pass through a thin door. The sound travels at a velocity of 343 m/s through air, and 560 m/s through the door...
Asked by sh 1 answer
Jaime is picking out a skillet for his mother as a birthday present. He is looking at two skillets, one with a plastic handle and one with a metal handle. Thinking just about safety, which handle would you recommend to J...
Asked by Akim 1 answer
Which statement best describes the author’s point of view about preserving personal artifacts? Responses They should always be returned to families rather than kept in museums. They should always be returned to families...
Asked by mimi 1 answer
Which action represents a conversion of electrical energy into thermal energy? Responses A A flashlight shining in the darkA flashlight shining in the dark B A phone vibrating from a textA phone vibrating from a text C A...
Asked by Akim 1 answer
Jason is excited because he has always loved music and his local tech school has introduced a program where he can become certified as a piano tuner. He thought that they would immediately be working on the actual pianos...
Asked by sh 1 answer
The speed of light was recorded as it passed through different media. The light passed through air, water, and glass. According to the graph, light waves travel Responses A faster in glass than in water.faster in glass t...
Asked by Akim 1 answer
A student shines a flashlight at a flat mirror. The light bounces off the mirror and travels in a new direction, as shown below. A flashlight is depicted on the left, directing a light ray towards a flat mirror on the ri...
Asked by Akim 1 answer
Emily is taking a photography course in school. For her first portfolio, she has to turn in a photo and describe two aspects of the photo that illustrate that she understands the behavior of light. She submits the photo...
Asked by sh 1 answer
Question The energy coming from the sun to the Earth's surface is called solar energy. Most of it is in the form of electromagnetic radiation from the visible wavelengths. Another wavelength that reaches Earth's surface...
Asked by Akim 1 answer
Many voting districts across the country are switching to electronic ballots. What would be an advantage of doing this? (1 point) Responses Hackers cannot access the system and change the results Hackers cannot access th...
Asked by sh 1 answer
As the ball rolls down the ramp, energy is transformed, from potential to kinetic energy. How much kinetic energy does the ball have when it reaches point B, assuming energy is conserved? Responses A 0J0J B 25J25J C 50J5...
Asked by Blaine 1 answer
Two news reporters were discussing an upcoming trip to Africa where they would go deep into the rural Savannah on a safari and spend a few months in a very remote primitive camp. They were trying to decide whether to tak...
Asked by sh 1 answer
Which of these describes digital transmissions and not analog transmissions? (1 point) Responses smooth smooth continuous continuous sine waves sine waves 1s and 0s 1s and 0s
Asked by sh 1 answer
Two similar waves are traveling through the same medium. Wave A has a frequency that is 9 times that of Wave B. (1 point) Responses λA = 9λB λ A = 9 λ B λA = 1/3 λB λ A = 1/3 λ B λA = 1/9 λB λ A = 1/9 λ B λA = λB λ A = λ...
Asked by sh 1 answer
Two boys have made a cup and string device to try to communicate. The sound wave from the voice of the boy on the right will have to travel through the cup, the match stick holding the string, the thread and the other cu...
Asked by sh 1 answer
John attaches a large spring to a small spring for a job that he has to complete. He notices that as the wave travels from spring 1 to spring 2, its wavelength is decreased by 50%. Which statement describes the change in...
Asked by sh 1 answer