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NGSSS 2nd Grade Science Vocabulary
Terms in this set (37)
The electric or magnetic force exerted by oppositely charged particles, tending to draw or hold the particles together.
An organism that feeds on other organisms for food.
The physical phenomena arising from the behavior of electrons and protons that is caused by the attraction of particles with opposite charges and the repulsion of particles with the same charge.
The capacity to do work.
The sum of conditions affecting an organism, including all living and nonliving things in an area, such as plants, animals, water, soil, weather, landforms, and air.
A vector quantity that exists between two objects and, when unbalanced by another force, causes changes in velocity of objects in the direction of its application; a push or pull.
One of the fundamental states of matter in which the molecules do not have a fixed volume or shape.
A place in an ecosystem where an organism normally lives.
The passage of biological traits or characteristics from parents to offspring through the inheritance of genes.
The act of reasoning from factual knowledge or evidence.
A systematic process that uses various types of data and logic and reasoning to better understand something or answer a question.
The entire sequence of events in an organism's growth, development, and reproduction.
Electromagnetic radiation that lies within the visible range.
One of the fundamental states of matter with a definite volume but no definite shape.
An object that produces a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
The amount of matter an object contains.
Substance that possesses inertia and occupies space, of which all objects are constituted.
The act or process of changing position and/or direction.
Something, such as a forest, a mineral deposit, or fresh water, that is found in nature and is necessary or useful to humans.
What one has observed using senses or instruments.
The progeny or descendants of an animal or plant considered as a group.
An individual form of life of one or more cells that maintains various vital processes necessary for life.
The rate at which work is done, expressed as the amount of work per unit time and commonly measured in units such as the watt and horsepower.
In meteorology, a form of water, such as rain, snow, or sleet that condenses from the atmosphere, becomes too heavy to remain suspended, and falls to the Earth's surface.
An organism, usually a plant or bacterium, that produces organic compounds from simple inorganic molecules and energy (typically light energy) from the environment.
The sexual or asexual process by which organisms generate new individuals of the same kind and perpetuate the species.
The tendency of particles or bodies of the same electric charge or magnetic polarity to separate.
A process that uses science process skills as tools to gather, organize, analyze, and communicate information.
A person with expert knowledge of one or more sciences, that engages in processes to acquire and communicate knowledge.
One of four natural divisions of the year—spring, summer, autumn, and winter—in temperate zones. Each season has its own characteristic weather and lasts approximately three months. The change in the seasons is brought about by the shift in the angle at which the Sun's rays strike the Earth. This angle changes as the Earth orbits in its yearly cycle around the Sun due to the tilt of the Earth's axis.
Any of the faculties by which stimuli from outside or inside the body are received and felt, as the faculties of hearing, sight, smell, touch, taste, and equilibrium.
The internal structure of vertebrate animals, composed of bone or cartilage, that supports the body, serves as a framework for the attachment of muscles, and protects the vital organs and associated structures.
Having a definite shape and a definite volume; one of the fundamental states of matter.
The limitless expanse where all objects and events occur. Outer space is the region of the universe beyond Earth's atmosphere.
The closest star to Earth and the center of our solar system.
A measure of the amount of space an object takes up; also the loudness of a sound or signal.
The force with which a body is attracted to Earth or another celestial body, equal to the product of the object's mass and the acceleration of gravity.
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