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grade 7 natural sciences term 4 planet earth and beyond
grade 7 natural sciences term 4 planet earth and beyond

... Tides are the predictable, repeated rise and fall of the sea and ocean levels. You can see the effect of the tides in the waves on the sea. During high tide, the sea level rises and the waves bring the seawater further up the beach, or raise the sea level in the harbour. During low tide, the water l ...
Our Fun Sun - Environmental Science Institute
Our Fun Sun - Environmental Science Institute

... celestial body in our solar system. Place the table with the force factors on the overhead. 3. Asks the students to go back to their groups and begin weighing each other. Record this in your notebook and use each of the force factors to see how much you would weigh on the sun, moon, and other planet ...
The Heavens Proclaim Astronomy and the Search for God Br. Guy
The Heavens Proclaim Astronomy and the Search for God Br. Guy

... the “chain of creation,” only one level removed from the Inferno. Higher layers of the physical universe were assigned to different elements, different gods, or different ranks of angels. Those different ranks were given names – thrones, dominions... That’s what St. Paul was referring to in that rea ...
Question paper
Question paper

... A A uranium-235 nucleus can only undergo fission after absorbing a proton. B Kinetic energy is conserved during fission. C Linear momentum is not conserved during fission. D The fission fragments have a total mass less than that of the nucleus just before fission. (Total for Question 1 = 1 mark) 2 W ...
Gravity - Chabot College
Gravity - Chabot College

... Connected gravity & planetary forces Philosophiae naturalis principia mathematica ...
April, 2004 Observer - Fort Bend Astronomy Club
April, 2004 Observer - Fort Bend Astronomy Club

... That the Oort cloud was named after Jan H. Oort, a Dutch astronomer who, in 1950 inferred the existence of this area from physical evidence of long-period comets entering our planetary system. His interpretation of comet orbital distribution was made using only 19 well-measured orbits. Oort also det ...
STEM for TY Teachers
STEM for TY Teachers

... model that explains the early development of the Universe. According to the Big Bang theory, the Universe was once in an extremely hot and dense state which expanded rapidly. This rapid expansion caused the young Universe to cool and resulted in its present continuously expanding state. According to ...
Astronomy - Career Account Web Pages
Astronomy - Career Account Web Pages

... Credit: NASA, ESA, G. Illingworth (University of California, Santa Cruz), R. Bouwens (University of California, Santa Cruz and Leiden University), and the HUDF09 Team ...
Binary Star - Armagh Observatory
Binary Star - Armagh Observatory

... model that explains the early development of the Universe. According to the Big Bang theory, the Universe was once in an extremely hot and dense state which expanded rapidly. This rapid expansion caused the young Universe to cool and resulted in its present continuously expanding state. According to ...
kristen.gattshall.file7.1454335203.2016
kristen.gattshall.file7.1454335203.2016

... e/earthandbeyond/shadows/ • When is it hotter? ...
deduction of the gravity law and quantum mechanical model of
deduction of the gravity law and quantum mechanical model of

... A.S. Tomić: Deduction Of The Gravity Law And Quantum Mechanical Model Of Discretization…From Solar System Data ...
Great Basin - 2016 NSS Convention
Great Basin - 2016 NSS Convention

... The night sky can be one of the most aweinspiring views we will ever experience. But natural darkness is fragile and, in many places, becoming lost in the glow of artificial lights. In fact, it is currently estimated that two-thirds of this country's population live where they cannot see the Milky W ...
Solar System Astronomy Notes
Solar System Astronomy Notes

... • The perfect mathematical shapes were circles and spheres. These beliefs lead them to look for a mathematical explanation for the motions of heavenly bodies, and for them to assert that the heavenly bodies followed paths that were among the perfect shapes in nature. Based on this philosophy, the Py ...
proposed path of the missing planet
proposed path of the missing planet

... earlier than that which is typically taught in formal education? Is it possible to demonstrate that knowledge commensurate with space travel might well have been possible back then? That line of thinking is so foreign as to be impossible for many people, because it doesn’t fit current paradigms, req ...
The Sky
The Sky

... equation of time. • This gives a shape called the analemma. ...
The Earth-Moon-Sun System
The Earth-Moon-Sun System

... lasting about two weeks ...
Earth Sciences - Grades Nine Through Twelve
Earth Sciences - Grades Nine Through Twelve

... Students know properties of ocean water, such as temperature and salinity, can be used to explain the layered structure of the oceans, the generation of horizontal and vertical ocean currents, and the geographic distribution of marine organisms. ...
Outline - Picnic Point High School
Outline - Picnic Point High School

... The Universe began with a singularity in space-time. After the initial explosion, the Universe started to expand, cool and condense, forming matter. As part of this ongoing process the Sun and the Solar System were formed over 4x109 years ago from a gas cloud which resulted from a supernova explosio ...
An Introduction To Parallax
An Introduction To Parallax

... January through the Sun to the Earth’s position in July, is our baseline. In general, this is the separation between the positions from which two measurements are made, and it is perpendicular to the direction to the object whose distance we are measuring. Repeat question 7 using star A at this new ...
Astronomical co-ordinates
Astronomical co-ordinates

... 1B11 Precession and Nutation • Precession occurs due to the gravitational pull of the Sun and the Moon (mostly the Moon). • Over 26,000 years, the positions of the celestial poles and the equinoxes change with respect to the stars. • Thus it is always necessary to specify a date for equatorial co-o ...
Dec 2017 - What`s Out Tonight?
Dec 2017 - What`s Out Tonight?

... The planets are best observed with a telescope using magnifithat were born out of the same nebula cloud. A group often forms cations from 50x to 200x. The five naked-eye planets are Mera pretty pattern. The Pleiades and Praesepe are great examples. cury, Venus, Mars, Jupiter and Saturn. Venus is ext ...
StarFlight - Center for the Presentation of Science
StarFlight - Center for the Presentation of Science

... subjects: (1) the Solar System, and (2) common constellations. The form of the evaluation was an open-ended discussion where we asked people to draw the Solar System and any constellations they could remember, and then explain what they drew. We collected 10 interviews during one afternoon at the Mu ...
Forces and Motion - Cranston Public Schools
Forces and Motion - Cranston Public Schools

... In grade 6, students will use models to recreate the phases of the moon and to describe the relative motion and position of the earth, sun, and moon. They will explain seasons and tides as a result of the regular, predictable motion of the earth, sun, and moon, and they will define the earth’s gravi ...
Word doc - GDN - University of Gloucestershire
Word doc - GDN - University of Gloucestershire

... A difficulty with our measurements of the Cosmic Microwave Background is that they are all derived from our local region of the Universe. Further confirmation of the Big Bang Hypothesis has to come from the measurement of the Cosmic Microwave Background from a more distant part of the Universe. This ...
Conceptual Physics - Southwest High School
Conceptual Physics - Southwest High School

... could be fired such that the trajectory of the falling cannonball matched the curvature of the earth. If such a speed could be obtained, then the cannonball would fall around the earth instead of into it. The cannonball would fall towards the Earth without ever colliding into it and subsequently bec ...
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Extraterrestrial life



Extraterrestrial life is life that does not originate from Earth. It is also called alien life, or, if it is a sentient and/or relatively complex individual, an ""extraterrestrial"" or ""alien"" (or, to avoid confusion with the legal sense of ""alien"", a ""space alien""). These as-yet-hypothetical life forms range from simple bacteria-like organisms to beings with civilizations far more advanced than humanity. Although many scientists expect extraterrestrial life to exist, so far no unambiguous evidence for its existence exists.The science of extraterrestrial life is known as exobiology. The science of astrobiology also considers life on Earth as well, and in the broader astronomical context. Meteorites that have fallen to Earth have sometimes been examined for signs of microscopic extraterrestrial life. Since the mid-20th century, there has been an ongoing search for signs of extraterrestrial intelligence, from radios used to detect possible extraterrestrial signals, to telescopes used to search for potentially habitable extrasolar planets. It has also played a major role in works of science fiction. Over the years, science fiction works, especially Hollywood's involvement, has increased the public's interest in the possibility of extraterrestrial life. Some encourage aggressive methods to try to get in contact with life in outer space, whereas others argue that it might be dangerous to actively call attention to Earth.
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