Is gold monatomic or diatomic? Some sources cite the different color of the gold from its usual yellow color as evidence of it being monatomic. Any chemist (or alchemist, for that matter) knows gold is a transition metal that forms colored complexes and also assumes different colors as a pure metal as a thin film. […]
Who regulates and controls all the functions of a cell?
Who regulates and controls all the functions of a cell? nucleus What controls all the vital functions of cell? The organelle controls all the vital functions of the cell. What is main function of cell? Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They […]
How many types of light are there?
How many types of light are there? In the below video, Wolfcrow’s Sareesh Sudhakaran explains the four types of light: hard light, soft light, specular and diffused light. What are the six categories of light? Forms of Shadow and Light Artists refer to six basic concepts when describing the behavior of light on a form, […]
Does rising air warm or cool?
Does rising air warm or cool? Rising air always cools, and, conversely, sinking air always warms. This type of temperature change, which is caused simply by ascent or descent in the atmosphere, is called adiabatic cooling or warming. When air moves vertically, its pressure changes. What causes the air mass to cool what happens to […]
What do you say when evaluating a presentation?
What do you say when evaluating a presentation? Criteria for Evaluating Presentations Focus of the presentation. Clarity and coherence of the content. Thoroughness of the ideas presented and the analysis. Clarity of the presentation. Effective use of facts, statistics and details. Lack of grammatical and spelling errors. Design of the slides. Effective use of images. […]
How does a capacitor behaves at high frequencies?
How does a capacitor behaves at high frequencies? As the frequency increases, the capacitor passes more charge across the plates in a given time resulting in a greater current flow through the capacitor appearing as if the internal impedance of the capacitor has decreased. What does a capacitor act like at low frequencies? At low […]
What are two forms of scientific communication?
What are two forms of scientific communication? Two types of defined science communication are science outreach (typically conducted by professional scientists to non-expert audiences) and science “inreach” (expert to expert communication from similar or different scientific backgrounds). What are the 5 core principles of science? Among the very basic principles that guide scientists, as well […]
What is the pH of an acid?
Do clouds make sounds?
Do clouds make sounds? This is because low lying clouds cause sound waves to bend or refract back down to the ground – making the noise sound louder. … Is rain sound white noise? White noise, probably the most familiar of these, sounds like a radio tuned to an unused frequency. It resembles the sounds […]