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Physical & Life science terms

Across
Mass / Volume
the smallest unit of life that carries out all the functions of a living thing.
Speed in a given direction
An atom with the same number of protons and a different number of neutrons from other atoms of the same element.
organelles that break down sugar and release energy.
A chemical bond that involves sharing a pair of electrons between atoms in a molecule
A property of some materials in which there is a force of repulsion or attraction between certain like and unlike poles
an organism's role in an ecosystem.
the tendency of all objects to resist any change in motion; or.... _____ is a property of matter
Elements that are good conductors of heat and electric current.
the thin, flexible outer covering of a cell.
Down
Push or pull
A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
an organelle the cell uses for storage.
Distance an object travels per unit of time
the gel-like fluid that fills most of a cell.
the plant cell structure in which photosynthesis takes place.
A particle that is electrically charged (positive or negative)
the process by which cells brake down sugar to release energy.
A flow of electric charge.
Energy of an object due to its height of ground level.
A force of attraction between objects that is due to their masses.
single-celled organisms that do not have a nucleus.
Force that resists movement
A pure substance made of only one kind of atom