Science review

The preserved remains of an organism that lived long ago

• imprints

• fossil

• mold

• cast

Energy that comes from heat

• Thermal energy

• Kinetic energy

• Potential energy

• heat

Used to measure degrees in Celsius and Fahrenheit

• beaker

• scale

• barometer

• thermometer

A deep narrow valley with steep sides that has been worn into mountains by a stream or river

• delta

• canyon

• valley

• plateau

The flow of heat through a liquid or gas, causing hot parts to rise and cooler parts to sink

• conduction

• convection

• radiation

The physical and chemical processes by which rocks are broken down into smaller pieces

• weathering

• erosion

A low area between hills

• canyon

• delta

• valley

• plateau

Used to measure the mass of an object in grams, milligrams, ounces or pounds

• beaker

• scale

• barometer

• balanced scale

An object or material that does not allow energy to be transferred through it easily

• conductor

• insulator

A type of fossil formed when a mold is filled with sediment

• cast

• mold

• fossil

• imprint