Thursday May 2 nd Objective You will apply knowledge of Astronomy in order to review for unit test. Warm-up What is the big bang? What did it create?

Astronomy Unit REVIEW Mrs. Reitz

A:B: About 13.7 million years ago About 13.7 billion years ago 1.According to the Big Bang Theory, the universe began C:D: About 13.7 trillion years ago About 137, 000 years ago

B. About 13.7 billion years ago Next for $100

A:B: Between two meridians North or south of the equator 2. Latitude is the distance C:D: North of the international date line East or west of the prime meridian

B. North or south of the equator Next for $200

A:B: OrbitingShrinking 3. Hubble’s law stating that more distant galaxies have greater red shifts indicates that the universe is C:D: ExpandingCollapsing

C. Expanding Next for $300

A:B: ShapeTemperature 4. The color of a star is a clue to its C:D: Distance from the sun Distance from Earth

B. Temperature Next for $500

A:B: Converts to a protostar Consumes most of its nuclear fuel 5.A supernova event is thought to be triggered when a massive star C:D: Converts all of its hydrogen to uranium Becomes less bright than surrounding stars

B. Consumes most of its nuclear fuel Next for $750

A:B: Gamma rays Emission spectrum 6. Astronomers can identify the chemical composition of a star by analyzing its C:D: Doppler effectChromatic aberration

B. Emission spectrum Next for $1,000

A:B: CoronaGalaxy 7. A cloud of dust and gases In space is called a C:D: Nebula Black hole

C.Nebula Next for $2,000

A:B: The distance light travels in a light- period The distance that light travels in one year 8. A light-year is C:D: The amount of sunlight absorbed by Earth in one year The speed of light

B. The distance that light travels in one year Next for $4,000

A:B: An object whose gravity is so strong that not even light can escape A brilliant explosion of a massive star 9. What is a black hole? C:D: A pulsating source of radio waves The final step in our sun’s evolution

A. An object whose gravity is so strong that no light can escape Next for $5,000

A:B: RedBlue 10. What color will a star be with a surface temperature of K? C:D: White Yellow

D. Yellow Next for $8,000

A:B: Turn into a black dwarf Produce a supernova explosion 11. All stars, regardless of their size, eventually C:D: Run out of fuel and collapse Collapse into a white dwarf

C. Run out of fuel and collapse Next for $10,000

A:B: The path of each planet around the sun is an ellipse Each planet travels more rapidly when it is nearer the sun 12. Which of the following is NOT one of Kepler’s 3 laws? C:D: A planet’s orbital period is proportionate to its distance from the sun Venus has phases like the moon

D. Venus has phases like the moon Next for $16,000

A:B: Ptolemy Kepler 13. The first scientist to formulate and test the law of gravitational force was C:D: Brahe Newton

D. Newton Next for $32,000

A:B: TemperatureSize and shape 14. Sunspots appear dark because of their C:D: Distance from EarthChemical composition

A. Temperature Next for $50,000

A:B: Nuclear fission Radioactive decay 15. What process is producing Energy in the sun’s interior? C:D: Nuclear fusionRadioactive production

C. Nuclear fusion Next for $64,000

A:B: Hydrogen into helium Helium into hydrogen 16. The sun produces energy through nuclear fusion, converting C:D: Oxygen into carbonCarbon into oxygen

A. Hydrogen into helium Next for $75,000

A:B: That reaches the moon before Earth That is reflected from Earth’s surface 17. Lunar phases are the result of the moon’s motion and the sunlight C:D: That is reflected from the moon’s surface That is blocked because of the moon’s position

C. That is reflected from the moon’s surface Next for $90,000

A:B: HeatGravity 18. The force that produces tides is C:D: RotationCurrents

B. Gravity Next for $100,000

A:B: Axis is tilted relative to the sun Orbit changes throughout the year 19. Seasonal changes occur because Earth’s C:D: Length of rotation varies Distance from the sun changes

A. Axis is tilted relative to the sun Next for $250,000

A:B: Into Earth’s shadow Between Earth and the planet Venus 20. During a solar eclipse the moon moves C:D: Between Earth and the sun More slowly than usual

C. Between Earth and the sun Next for $425,000

A:B: NH is tilted 23.5 degrees away from the sun NH is tilted 23.5 degrees toward the sun 21. The summer solstice is known as the first official day of summer in the NH because the C:D: Vertical rays of the sun are striking the equator Length of daylight equals the length of darkness

B. NH is tilted 23.5 degrees toward the sun Next for $500,000

A:B: December 25 December A complete moon cycle takes about 28 days. There was a new moon on the eve of November 27 th. On what day would you see a full moon in December? C:D: December 6December 20

A. December 25th Next for $750,000

A:B: Eliminate solar eclipses Decrease the period of a year 23. An increase in the tilt of Earth’s axis with respect to the sun would C:D: Increase Earth’s rotation Alter seasonal changes in weather

D. Alter seasonal changes in weather Next for $875,000

A:B: The stars orbit the earth The stars orbit the sun 24. What motion is responsible for the regular seasonal changes of the constellations in The nighttime sky? C:D: The moon orbits the earth The earth orbits the sun

D. The earth orbits the sun Next for $1,000,000

Great Job!!!! Great Job!!!! Thank you for playing! Thank you for playing!

Closure 3 things you learned 2 things you knew 1 question