Nature of Science
Earth
Space
Physical
Life
100

a limited representation of something that can help us understand its structure or how it works

model

100

to clear trees from an area

Deforestation

100

the star at the center of our solar system that supplies heat and light to Earth; (Its enormous gravity keeps the solar system in orbit.)

sun

100

a push or pull that causes an object to move, stop, or change direction

force

100

an organism that consumes dead or decayed nonliving biomass without need for internal digestion (fungi: mushroom, mold)

Decomposer

200

the loss of soil as it is carried off by wind or water

Erosion

200

an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

vertebrate

200

a natural satellite that orbits a planet

moon

200

a force that resists the motion of two surfaces sliding across one another

friction

200

consumers that eat only plants

Herbivore 

300

a resource that can be replenished as fast as it is used (oxygen, water, solar, biomass)

Renewable resource

300

 formed from deposits of pre-existing rocks or pieces of once-living organism that accumulate on the Earth's surface

Sedimentary rock

300

the Sun and all of the objects that move around it

Solar System

300

 anything that has mass and takes up space

Matter

300

the process where plants use sunlight, water, and carbon dioxide to produce sugar and release oxygen

Photosynthesis

400

a resource that takes longer than our lifetime to replenish such as fossil fuels (oil also known as petroleum, coal, and gas)

Nonrenewable resource

400

the conversion of a vapor or gas to a liquid

condensation

400

a complete spin on an axis

rotation

400

a force that is not canceled out by another force and causes the motion of an object

unbalanced forces

400

any living thing

Organism

500

change from one form to another

Convert

500

an organism that can make its own food using energy from an external source

producer

500

a complete turn or orbit around a center

revolution

500

property that does not change the chemical composition of an object, including mass, weight, hardness, physical state, density, solubility, or conductivity

Physical property  

500

carries out most of the digestive process, absorbing almost all of the nutrients you get from foods into your bloodstream

small intestines

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