Why do black bodies radiate? A black body is an idealized object that absorbs all electromagnetic radiation it comes in contact with. It then emits thermal radiation in a continuous spectrum according to its temperature. Much cooler objects like planets and humans emit the most radiation in the infrared. Can radiation travel through a vacuum? […]
Which of the following is not an example of the second law of thermodynamics?
Which of the following is not an example of the second law of thermodynamics? Which one of the following is not an example of the second law of thermodynamics? CO2 is exhaled as a by-product of aerobic respiration is not an example of second law of thermodynamics. Is the second law of thermodynamics a consequence […]
Is it dark during solar eclipse?
Why does it rain so much near the equator?
Why does it rain so much near the equator? Near the Earth’s equator, solar heating is intense year round. The Sun heats the ocean, evaporating tremendous amounts of water. As air rises, it cools, and water vapor condenses into rain. This daily cycle of heating, evaporation, and convection creates a persistent band of showers and […]
What does adding baking soda to your laundry do?
What does adding baking soda to your laundry do? It may sound like an old wives’ tale, but adding baking soda to your regular amount of liquid laundry detergent truly will make your colored clothing brighter and your whites whiter. Baking soda is a natural deodorizer and cleanser, and it also softens the water, which […]
Does AM or FM have a higher frequency?
What are the high points and low points of a transverse wave called?
What is a part of an experiment not being tested?
What is a part of an experiment not being tested? Controls or Controlled Variables A part of the experiment that is not being tested and is used for comparison of the experimental results. A control group should be used when conducting an experiment. How do scientists test their hypothesis? Scientists (and other people) test hypotheses […]
What are the 7 parts of a lab report?
What are the 7 parts of a lab report? Sections of a laboratory report: A typical report would include such sections as TITLE, INTRODUCTION, PROCEDURE, RESULTS, and DISCUSSION/CONCLUSION. What are the 8 steps of a lab report? That procedure is commonly called the scientific method and consists of the following eight steps: observation, asking a […]
Which are the potential sources of error in the experiment?
Which are the potential sources of error in the experiment? Common sources of error include instrumental, environmental, procedural, and human. All of these errors can be either random or systematic depending on how they affect the results. Instrumental error happens when the instruments being used are inaccurate, such as a balance that does not work […]