The loose top layer of Earth’s surface made of weathered rock and organic matter is known as
soil
A naturally occurring inorganic solid with a distinct chemical composition and crystalline structure is a
mineral
A large object in space that is made of gas and produces its own light is known as a
star
A system of planets and other bodies that orbit a star is called a
solar system
Measurements or observations collected and recorded in an experiment or investigation are known as
data
A type of rock formed from layers of sediment is known as a
sedimentary rock
A type of rock that forms from cooled magma or lava is
igneous rock
A natural object that orbits a planet is a
moon
A large body in space that orbits a star and does not produce its own light is known as a
planet
An event, condition, or factor that can be changed or controlled in order to study or test a hypothesis in a scientific experiment is called the
variable
A type of rock that is formed over time from existing rock due to extreme pressure and/or heat is a
metamorphic rock
The color of the powder of a mineral when it is rubbed on a plate is known as
streak
What are the inner planets?
Mercury, Mars, Earth and Venus
What are the outer planets?
Neptune, Uranus, Saturn and Jupiter
A group in a scientific experiment that serves as a reference for comparison to the experimental group is a
control group
The process by which rocks and other surfaces are broken down is known as
weathering
The process where rock, soil, and sediment are moved from one place to another is known as
erosion
The turning (or spinning) of an object on its axis is a
rotation
The motion of one object around another object is a
revolution
An explanation based on evidence that is not directly observed is an
inference
A property of a mineral that describes how it appears when it reflects light is known as
luster
A property of a mineral that describes how easily it can be scratched is known as
hardness
An object made of rock, ice, dust, and gas that revolves around the sun is a
comet
A rocky or metallic object that orbits the sun is known as an
asteroid
Multiple sets of measurements or observations in a scientific investigation are known as
trials