Ch. 2,3,4,5,6,8 Test (Cumulative Final)

Elements heavier than iron

• were created during the Big Bang
• are created in the supernova explosions of high-mass stars
• are created by nuclear reactions in stars
• can only be created in a lab

Tags

NGSS.HS-ESS1-3

Which of the following best describes half-life?

• Half the time it takes for all of the nuclei in a sample of a radioactive isotope to decay
• The time it takes for the nucleus of one atom of a radioactive isotope to split in half
• The time it takes for half of the nuclei in a sample of a radioactive isotope to decay
• The time it takes for the nucleus of one atom of a radioactive isotope to decay

Tags

NGSS.HS-PS1-8

The half-life of radioactive Carbon-14 is 5730 years. If you have 100 grams of Carbon-14 today, approximately how much will remain 18,000 years later?

• 50 grams
• 12 grams
• 6 grams
• 3 grams

Which of the following shows the correct order of the phases of the leading solar system formation theory?

• Nebula formation, accretion, spinning nebula, nebula collapse
• Nebula formation, nebula collapse, spinning nebula, accretion
• Spinning nebula, nebula collapse, nebula formation, accretion
• Accretion, nebula formation, spinning nebula, nebula collapse

Which of the following supports the solar nebula condensation theory?

• The direction of Venus’s rotation is backwards with respect to the other planets in the solar system
• Most of the planets in our solar system orbit in the same plane and revolve around the Sun in the same direction
• Uranus’s rotational axis is tilted almost perpendicular to its orbital plane
• Many extrasolar planetary systems that have been discovered have large gas planets close to the central star

Which of the following causes a spectral line?

• Atoms emit light when protons move between energy levels
• Atoms emit light when neutrons move between energy levels
• Atoms emit light when electrons move between energy levels
• Atoms emit light when the nucleus moves between energy levels

Tags

NGSS.HS-PS4-1

Of the four elements shown below, which is the heaviest?

• Element 1
• Element 2
• Element 3
• Element 4

Tags

NGSS.MS-PS1-1

If you want rainfall data for the past 100 years but do not have access to human records, which of the following climate proxies would be most helpful to your investigation?

• coral
• tree rings
• fossils found in bedrock
• ice cores

You’d like to find out what Earth’s climate was like tens of millions of years ago. Which of the following climate proxies would be most helpful to your investigation?

• coral
• tree rings
• fossils found in bedrock
• ice cores

Tags

NGSS.MS-LS4-1

Milankovitch cycles reflect periodic change in three properties of Earth’s orbit. What are these three properties?

• eccentricity, axial tilt, and precession
• distance from Sun, distance from Moon, and eccentricity
• recession, secession, and precession
• sunspots, atmospheric CO2, and axial tilt