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- 1. Multiple Choice______ is a force that causes dust particles to stick together in a nebula.nuclear fusiongravityhydrogeniron
- 2. Multiple Choice
Stars are formed in a large cloud of gas and dust called acumulonimbus cloudnebulaneutron starblack hole - 3. Multiple ChoiceNebula's are mixtures of gases and what?cloudsstarstiny particlesdust
- 4. Multiple Choicethe planets of the solar system formed asthe center of the gas cloud cooledplanetesimals flattened into a rotating diskplanetesimals collided into one anotherthe sun absorbed extra gas and dust from the solar system
- 5. Multiple ChoiceWhat force acted on the massive nebula to collapse it and eventually form our sun?electrostatic forcestrong forceweak forcegravity
- 6. Multiple ChoiceSpinning on an axis.PrecessionRotatesRevolvesNutation
- 7. Multiple ChoiceThe most abundant gases in a nebula are:Hydrogen & OxygenNitrogen & OxygenHydrogen & HeliumOxygen & Helium
- 8. Multiple ChoiceA nebula starts to collapse because of:A nearby star shining it's lightA passing spaceshipA passing cometGravity
- 9. Multiple ChoiceA nebula starts to move because:A nearby supernovaA nearby starA passing spaceshipA passing comet
- 10. Multiple ChoiceAs a nebula collapses it also begins:ExpandRotateShakeTurn to ice
- 11. Multiple ChoiceThe planetesimals keep:Colliding and breaking apartColliding and sticking togetherColliding and bouncing aroundBreaking down into smaller pieces
- 12. Multiple Choice
How long ago did these nebular processes start?
4.6 years ago
4.6 million years ago
5.6 billion years ago
4.6 billion years ago
- 13. Multiple ChoiceA massive explosion of a star is called . . .supernovanebulapulsarblack hole
- 14. Multiple ChoiceWhen the solar nebula spun out into a disc-shape, what direction did it start spinning?clockwisecounter-clockwise
- 15. Multiple ChoiceWhen the inner planets (and moons) were bombarded by asteroids, what did the asteroids leave behind?craterscalderasmountainsvalleys
- 16. Multiple ChoiceWhich is the largest object in our solar system?SunJupiterEarthPluto
- 17. Multiple Choice
What is the largest planet in
our solar system?
Neptune
Jupiter
Uranus
Mars
- 18. Multiple ChoiceOne full orbit of an object around another object is called a ________.axisrotationrevolutionsatellite
- 19. Multiple ChoiceDay and night is caused by the _____________ of earth on its axis.revolutionorbitrotation
- 20. Multiple Choice
This table shows the rotation period and revolution period for 6 planets, and Earth’s moon, all relative to Earth’s periods. Which 2 planets have shorter days than Earth?
Jupiter and Saturn
Venus and Mercury
Mars and Jupiter
Saturn and Moon
- Answer choicesTagsAnswer choicesTags