6th Grade Science Final Exam Review Flashcards

Vocabulary flashcards for 6th Grade Science Final Exam review.

Ruler (Metric/Customary)

Tool for measuring length

Triple-beam Balance

Instrument used to measure mass

Graduated Cylinder

used to measure the volume of a liquid

Thermometer

measures temperature

Atmosphere

layer of gases surrounding the Earth

Air Pressure

The force exerted by the weight of air above a given point.

Altitude

The height above for below sea level or ground level

Rain Gauge

used to measure rainfall

Wind Vane

measures wind direction

Density

The mass per unit volume of a substance

Evaporation

when liquid changes into a gas

Condensation

gas changes into a liquid

Precipitation

rain, snow, sleet, or hail

Water Cycle

The continuous movement of water on, above, and below the surface of the Earth.

Phase Change

A physical change of a substance from one state (solid, liquid, gas) to another.

Barometer

measure air pressure

Humidity

water vapor in the air

Conduction

The transfer of heat through direct contact (touching)

Convection

The transfer of heat by the movement of a fluid (liquid or gas) - warm rises, cold falls

Radiation

The transfer of energy as waves (the sun)

Global Winds

Winds that blow across the world

Local Winds

Winds that blow over short distances

Heat

The transfer of thermal energy from one object to another.

Anemometer

measures wind speed

Isobars

Lines on a weather map connecting points of equal air pressure

Atom

The basic building block of matter

Molecule

Two or more atoms held together by chemical bonds.

Proton

a positive charge, found in the nucleus of an atom

Electron

a negative charge, orbits the nucleus of an atom

Neutron

no charge (neutral), found in the nucleus of an atom

Nucleus

center of an atom, containing protons and neutrons

Element

a pure substance

Periodic Table

A table of the chemical elements arranged in order of atomic number.

Atomic Number

The number of protons in the nucleus of an atom

Atomic Mass

The total mass of protons and neutrons

Atomic Symbol

A one- or two-letter abbreviation for a chemical element.

Groups

Vertical (up and down) columns in the periodic table

Periods

Horizontal rows (going across) in the periodic table

Compound

made up of two or more different elements chemically bonded together.

Chemical Change

A change that produces a different composition, can't reversed

Physical Change

A change in form or appearance of a substance but does not change its composition, can be reversed

Mass

the amount of matter in an object

Volume

The amount of space an object takes up

Matter

Anything that has mass and takes up space.

Force

A push or pull on an object

Motion

A change in the position of an object over time.

Speed

The rate at which an object is moving.

Velocity

The speed of an object in a particular direction.

Friction

A force that slows down motion

Gravity

A force of attraction between objects due to their mass.

Inertia

The tendency of an object to resist changes in its state of motion.