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g8 Segment 2
8th grade STEMscopes CA Segment 2 (all scopes)
| Question | Answer |
|---|---|
| Asteroid | Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets |
| Attractive | Having the tendency to pull other objects toward itself |
| Axis | The imaginary line through Earth that extends from the North Pole to the South Pole and is the center of Earth’s rotation |
| Charged Object | Matter with a surplus or deficiency of electrons |
| Charged particle | A particle with either positive or negative electrical charge |
| Current | A directional flow of electrical charge through an object or medium |
| Cyclic Patterns | A phenomenon or process that involves multiple steps and repeats itself |
| Eclipse | An obscuring of the light from a celestial body by the passage of an object between the celestial body and the observer or between the celestial body and its source of illumination |
| Electric force | Attractive or repulsive interaction between any two charged objects |
| Electromagnetic force | A force consisting of both an electric component and a magnetic component, created by an electric current or moving electrical charge |
| Energy | The ability of a system to do work; required for changes to happen within a system |
| Force | A push or pull that can change the motion of an object |
| Gravitational Pull | The attraction between two objects due to the invisible force of gravity; the gravitational pull from the Moon is primarily responsible for the tides that form on Earth |
| Gravity | The force that causes objects with mass to attract one another |
| Interacting objects | Objects that affect one another |
| Lunar eclipse | When the full moon passes into Earth’s shadow, causing the Moon to appear reddish in color when the Sun, Earth, and the Moon directly line up; lasts 1–3½ hours |
| Lunar phase | The shape of the illuminated portion of the Moon as seen by an observer, usually on Earth |
| Magnetic field | The area around a magnet or moving electrical charge that can exert a magnetic force |
| Magnitism | A force that attracts or repels objects toward or away from each other; caused by electrons in a substance |
| Magnitude | The size or quantity of something |
| Moon | A celestial body that revolves around a planet |
| Orbit | A curved path followed by a satellite as it revolves around an object |
| Planet | A large celestial body that revolves around a star in a solar system |
| Potential energy | Energy that is stored in a system or object |
| Relative Position | Where an object is located in relation to another object |
| Repulsive | Having the tendency to push other objects away from itself |
| Seasons | The four natural divisions of the year based on changes in temperature due to varying amounts of sunlight received (both intensity and number of daylight hours vary); caused by the tilt of Earth during its revolution |
| Solar eclipse | When the Moon passes between Earth and the Sun, covering all or part of the Sun; occurs when the Sun, the Moon, and Earth directly line up; lasts for less than 12 minutes |
| Solar system | A star and the group of planets and other celestial bodies that are held by its gravitational attraction and revolve around it |
| Star | A celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior |
| Sun | The luminous star around which Earth and other planets revolve; composed mainly of hydrogen and helium |
| system | A group of interacting, interrelated, or interdependent elements forming a complex whole |
| Tilt | The slant of Earth’s axis, which is 23.5 degrees from vertical compared to Earth’s orbital plane around the Sun; results in the North Pole always pointing toward the North Star |
Created by:
ncraft13
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