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Describe the different phases of the moon and explain what causes them Describe the different phases of the moon and explain what causes them.Difficulty: Elementary schoolExplain how the tilt of the earth works Demonstrate that seasons exist because of the tilt of the earth and its impact on the intensity of the sunlight at a given location.Difficulty: Elementary schoolHow to build a homemade magnetometer to study how the earth's magnetic fields are affected by solar storms Solar storms can affect the Earth's magnetic field causing small changes in its direction at the surface which are called 'magnetic storms'. A magnetometer operates like a sensitive compass and senses these slight changes. The soda bottle magnetometer is a simple device that can be built for under $5.00 which will let students monitor these changes in the magnetic field that occur inside the classDifficulty: High schoolHow to build a sidereal pointer to help us to locate the position of a celestial body In this article, we talk about the construction of a sidereal pointer. It is an instrument that allows you to localize each celestial object in the night sky, just knowing its coordinates.Difficulty: Elementary schoolHow to calculate the distance of the sun and the moon from earth, by understanding eclipses Hipparchus, who used an eclipse of the Moon to deduce the precession of the equinoxes (here), used a total eclipse of the Sun--probably in 129 BC--to estimate how far the Moon was. That distance had also been derived from a lunar eclipse by Aristachus--see here.Difficulty: High schoolHow to make your own comet In ancient times, people did not understand the objects in the sky, how they moved or what they were. They did not know what a comet was, where it came from, or where it went. A large comet is a spectacular sight and inspired both awe and fear in primitive peoples.Difficulty: Elementary school
students work = The students work hard. (multiple students) student's work = The student's work deserved an A. (one student) students' work = The students' work was the highlight of the presentation. (belonging to multiple students)
There are a lot of students.
that students respect the teachers that students learn that sudents listening in class that students were good that students are nice that students dont chew gum that students dont bring there phones to class that students do there hw that students care about there grades that students study for tests that students hate to get a F or D on a test that students dont talk in class that students love there teachers that students want to go to school that students try that students dont wear short shorts that students dont swear that students dont get in trouble that students try anything to not get a detention
art students think science students do
few of the students are
Edinburgh University Students' Association's motto is 'by students, for students'.
a group of students was asked
The possessive form of the plural noun students is students'.example: The students' debate team needs a place to meet.
The possessive form of the plural noun students is students'.Example: There was a commotion in the students' parking lot.
There are many students that you can say are good students. Students who are kind, caring, and studious are good students.