Earth Science Final Review

All telescope designs seek to

• focus electromagnetic radiation

• measure visible light

• use the latest in innovative technology

• study distant galaxies

What type of electromagnetic radiation has the highest energy?

• radio waves

• infrared

• ultra violet

• gamma rays

Which of the following describes the speed of electromagnetic radiation?

• longer wavelengths have more energy

• shorter wavelengths travel faster

• all wavelengths travel at the speed of light

• speed is slowest in a vacuum

Kepler’s 1^st law states that objects orbit the sun in ___________ with the sun at _____________.

• ellipses; one focus

• ovals; one focus

• circles; the center

• unison; the center

Stars are born in ________.

• supermassive black holes

• white dwarfs

• nebulae

• supernova explosions

During the early stages of a star’s life, it ______________.

• burns methane

• fuses hydrogen

• fuses helium

• creates heavy elements

Which of the following correctly describes the life cycle of an average mass star?

• nebula, main sequence, black hole, supernova

• supernova, neutron star, red giant, main sequence

• nebula, main sequence, planetary nebula, red giant, white dwarf

• nebula, main sequence, red giant, planetary nebula, white dwarf

An astronomer analyzes a star’s spectrum and discovers the element iron. Which of the following BEST describes the star?

• white dwarf

• red giant

• red supergiant

• main sequence

According to Kepler’s 2^nd law, the Earth’s orbital velocity is fastest ___________.

• when it is closest to the sun

• when it is furthest from the sun

• when the sun and moon are aligned

• during springtime

Which of the following are pieces of evidence for the Big Bang Theory? (read answers carefully)

• red shift

• cosmic background radiation

• cosmic expansion

• all of the above