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PS-1st Semester Words

Puzzle Type: Educational
Across
A substance in which the atoms of two or more elements are chemically combined in fixed proportions
Resistance to flow by fluid
The ability of a fluid to exert an upward force on an object
Vertical columns in periodic table
The energy required to change a substance from a solid to liquid at its melting point
Explanation of how particles behave
An increase in size when the temperature increases
Amount of energy required for the liquid to become a gas
Particles with a negative surrounding the nucleus
Number of protons
The 4th state of matter
Temperature at which a solid becomes a liquid
Horizontal rows of elements in periodic table
Small, positively charged center of an atom
Down
Color, shape, size, density, melting point,and boiling point
Atoms of the same element with a different number of neutrons
Any characteristic of a material that you can observe that produces a new substance
A substance made up of atoms that are alike
Change in size,shape, or state of matter in which the identity of the substance remains the same
Scattering of light beam as it passes through a colloid
Protons plus neutrons
Make up protons and neutrons
A type of matter with a fixed composition
Particle in atom that has no charge
Smallest particle of an element that retains the element's properties
Is a heterogeneous mixture with particles that never settle
Particles in nucleus that have a positive charge