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NATSCI 1 - Physical Science (Summative Test)

Authored by JOHN DAVE RAMOS

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University

NATSCI 1 - Physical Science (Summative Test)
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50 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

If astronomers discover a new radiation pattern in deep space similar to the cosmic microwave background, what would this most likely confirm?

A. The steady state theory

B. The expansion of the universe from a hot origin

C. The geocentric theory

D. The end of the universe

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

A scientist argues that galaxies are continuously being created as the universe expands, keeping its density constant. Which theory does this align with?

A. Big Bang Theory

B. Cosmic Inflation Theory

C. Steady State Theory

D. Relativity Theory

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

If the universe were contracting instead of expanding, which of the following observations would be opposite to Hubble’s Law?

A. Galaxies moving closer together

B. Galaxies moving away faster

C. Redshift in galaxy light

D. Discovery of quasars

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which finding would most strongly challenge the Big Bang Theory?

A. Uneven distribution of cosmic radiation

B. High abundance of light elements

C. Continuous redshift of distant galaxies

D. Evidence of cosmic expansion

Answer explanation

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

If new evidence showed that galaxies’ densities remain constant despite expansion, scientists might need to revise which existing model?

A. Heliocentric model

B. Big Bang model

C. Steady State model

D. Nebular hypothesis

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

A new model proposes that the planets move in spiral paths around the Sun. Which astronomer’s ideas would this challenge most directly?

A. Kepler

B. Copernicus

C. Galileo

D. Newton

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

If Galileo had access to the Hubble Telescope, what modern discovery would have most supported his work?

A. The bending of light by gravity

B. The observation of exoplanets orbiting other stars

C. The discovery of quasars

D. The detection of cosmic radiation

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