11th Grade Science CCRA Topics: Physical Science

Which particles are found in the nucleus of an atom?

• Electrons and protons

• Neutrons and electrons

• Protons and neutrons

• Protons and electrons

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How are elements arranged in the periodic table?

• Vertically by atomic number

• Vertically by electron configuration

• Horizontally by atomic number

• Horizontally by electron configuration

What does the conservation of atoms enable scientists to do?

• Create new elements

• Describe and predict chemical reactions

• Change the properties of elements

• Eliminate chemical reactions

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What are the fields responsible for forces at a distance?

• Gravitational and magnetic

• Electrical and magnetic

• Gravitational and electrical

• Magnetic and electromagnetic

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What is the principle of conservation of energy?

• Energy in a closed system can be transformed but not created or destroyed

• Energy is constantly being created from matter

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In what ways does energy manifest itself at the macroscopic scale?

• Motion, sound, light, and thermal energy

• Electromagnetic radiation only

• Chemical reactions only

• Nuclear reactions only

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What is the relationship between wavelength and frequency of a wave?

• They are inversely proportional.

• They are directly proportional.

• They are unrelated.

• They are equal.

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What happens when light is absorbed in matter?

• It is converted into chemical energy.

• It is converted into electrical energy.

• It is generally converted into thermal energy.

• It is generally converted into kinetic energy.

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What is the consequence of shorter wavelength electromagnetic radiation?

• It cools down matter.

• It ionizes atoms.

• It accelerates chemical reactions.

• It increases electrical resistance.

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What is the role of engineers in modern civilization?

• To increase environmental risks

• To decrease technological systems

• To modify technological systems for societal benefits

• To limit technological advancements

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