MATTER AND ATOMS Question Preview (ID: 3969)
6TH GRADE REVIEW.
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Anything that has mass and takes up space
a) a chemical change.
b) energy.
c) matter.
d) a mixture.
Substances that CANNOT be broken down chemically into other substances are
a) elements.
b) compounds.
c) mixtures.
d) iquids.
Which part of an atom has a negative electrical charge?
a) Proton
b) Electron
c) Neutron
d) Nucleus
What is the center of the atom that contains protons and neutrons?
a) Electron
b) Mucus
c) Nucleus
d) Neutron
What did Democritus, Dalton, Thomson, Rutherford, and Bohr all have in common?
a) They each identified new elements.
b) They each identified new isotopes of atoms.
c) They each contributed to the development of the atomic theory.
d) They each conducted experiments in which particles collided.
How is a mixture different from a compound?
a) Mixtures have two or more components.
b) Each substance in a mixture keeps most of its characteristic properties.
c) Mixtures are commonly found in nature.
d) Solids, liquids, and gases can form mixtures.
Which of the following best describes chicken noodle soup?
a) element
b) mixture
c) compound
d) solution
Water forms on the outside of a glass of cold lemonade as a result of
a) vaporization
b) sublimation.
c) condensation
d) freezing.
People in warmer climates wear light, loose-fitting clothes to allow their perspiration to
a) evaporate
b) sublimate
c) condensate.
d) melt.
Which of the following statements is TRUE?
a) Particles of a solid have a very orderly, three-dimensional arrangement and do not move.
b) Particles of a liquid change shape and volume.
c) Particles of a gas are able to slide past one another but are very close together.
d) Particles of a plasma have broken apart.
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