What is the first quarter of the moon?
Space and AstronomyFirst quarter: The moon is 90 degrees away from the sun in the sky and is half-illuminated from our point of view. We call it “first quarter” because the moon has traveled about a quarter of the way around Earth since the new moon. Waxing gibbous: The area of illumination continues to increase. What is
What is a subjective probability?
Space and AstronomyWhat is subjective probability example? Subjective probability is where you use your opinion to find probabilities. For example: You think you have an 80% chance of your best friend calling today, because her car broke down yesterday and she’ll probably need a ride. What is the subjective probability concept? Subjective probability is a type of
How are polyhedrons names?
Space and AstronomyPolyhedra may be classified and are often named according to the number of faces. The naming system is based on Classical Greek, and combines a prefix counting the faces with the suffix “hedron”, meaning “base” or “seat” and referring to the faces. What are all the names of polyhedrons? There are generic geometric names for
How do you identify a prism and a pyramid?
Space and AstronomyHow do you correctly identify a prism or a pyramid? Prisms have rectangular lateral faces and pyramids have triangular lateral faces. In most cases, the lateral faces of both prisms and pyramids are angled toward the base or bases. How do you identify a prism? Video quote: So if it's a prism you're gonna have
What is total magnification in microscope?
Space and AstronomyIn other words, the total magnification of a microscope is understood as the magnification of the objective lens multiplied by that of the optical lens. While optical lenses are typically a standard ten times, objective lenses tend to vary more and come in sizes of 4, 10, 40, or 100 times magnification. What is your
What is Mathematics mystery?
Space and AstronomyWhat is math mystery? A Math Mystery is a brain-teaser, video, or activity that invites students and parents to think about math together. Ask your child to be the detective and figure out how they want to approach and solve a problem. What is the biggest mystery of mathematics? These Are the 10 Toughest Math
How many curves does an oval have?
Space and Astronomyone flat curved faceone flat curved face. An oval shape does not have a common distance from the center (radius) like the circle. Does an oval have curved lines? The definition of a side or edge is a line connecting two vertices or points. An oval does not have any straight lines, only curves so
How does the armillary sphere work?
Space and AstronomyHow does an armillary sphere work? Held stationary at the centre is a small brass sphere representing the Earth. About it rotate a set of rings representing the heavens – the celestial sphere – one complete revolution approximating to a day or 24 hours. How is the armillary sphere used? An armillary sphere is basically
What is a net of a 3d object?
Space and AstronomyThe net of a 3D shape is what it looks like if it is opened out flat. A net can be folded up to make a 3D shape. There may be several possible nets for one 3D shape. You can draw a net on paper, then fold it into the shape. The net of a
Are Vanishing points always on the horizon?
Space and AstronomyYour vanishing point will always occur on the horizon line. The road and buildings around you will direct you to your vanishing point. Follow the slants of their roofs up or down. Your vanishing point is where those lines converge. When can a vanishing point not be on the horizon? If one axis of a