Term | Definition |
predict | saying what you think will happen |
property | A characteristic that describes a substance, such as color, size, shape or texture |
classify | organizing things into groups based on attributes |
observe | when you see something happen or you look carefully to find out what will happen |
compare | identifying ways that things are the same |
model | an explanation or representation of an object, system, or process that cannot be easily seen or studied |
procedure | doing something a particular way, following steps |
claim | when you say something is true |
evidence | something you believe to be true because you saw, experienced, or read about it |
reason | thinking about something in an orderly, logical way |
asteroid | a small, solid object that orbits the Sun |
asteroid belt | a band of orbiting rubble that separates the gas giant planets from the terrestrial planets |
comet | a mass of ice, rock, and gas orbiting the Sun |
dwarf planet | a round object that orbits the Sun but does not orbit a planet |
force | a push or pull that can change the speed and direction of a moving object |
gas giant planet | one of the four planets that are made of gas. These are jupiter, Saturn, Uranus, and Neptune. |
gravity | the force of attraction between two objects |
Kuiper Belt | a huge region beyond the gas giant planets, made up of different-size icy chunks of matter |
planet | a large, round object orbiting a star |
solar system | the Sun and the planets and other objects that orbit the Sun |
terrestrial planet | one of the four small, rocky planets closest to the Sun. These are Mercury, Venus, Earth, and Mars. |