Gravity And Astronomy

Question 0

2. What is weight measured of? What tool is it measured with? What is the metric unit?

Answer 0

Measure of gravitational force on an object
Spring scale
Metric unit is newtons

Question 1

1. What is mass? What tool is used to measure it? What is the metric unit?

Answer 1

A measure of the amount of matter in an object
A balance scale
Kilograms grams and milligrams

Question 2

3. How many grams produce a force of 1 N on earth

Answer 2

100 grams

Question 3

4. Between mass and weight, which one always stays the same

Answer 3

Mass

Question 4

5. How much less gravity does the moon exert on matter

Answer 4

6 times less

Question 5

6. If an object has a mass 350 g on earth, what would it’s mass be on the moon

Answer 5

350 g

Question 6

7. If an object has a massive 725 g on earth what would its weight be on the earth

Answer 6

7.25 grams

Question 7

8. If an object had a weight of 15 newtons on the moon, what would its mass be on earth

Answer 7

Come back

Question 8

9. What does the Law of Universal Gravitation state

Answer 8

All objects in the universe attract each other through gravitational pull

Question 9

10. What two things does the magnitude of the force of gravity depend upon

Answer 9

The masses of the objects and the distance between the objects

Question 10

11. Which has the greater gravitational pull: the gravity between two small objects or the gravity between two large objects

Answer 10

Gravity between two large objects

Question 11

12. What happens to the force of gravity when the distance between two objects increases

Answer 11

The gravitational force pulling them together decreases rapidly

Question 12

13. Why does the sun have a greater gravitational pull on Venus then the earth

Answer 12

Venus is closer to the sun

Question 13

14. True/false: on Earth (or any other larger object), everything and everyone is being pulled towards its center

Answer 13

False

Question 14

15. What is the name of the theory of how the universe came to be

Answer 14

The Big Bang theory

Question 15

16. What is a galaxy

Answer 15

A collection of star, dust, and gas bound together by gravity

Question 16

17. How do you galaxies appear to be moving in our universe

Answer 16

The galaxies appear to be moving away from each other and other words expanding the universe

Question 17

18. What is the name and type of galaxy our solar system is in

Answer 17

Milky Way

Spiral galaxy

Question 18

19. Does this galaxy have millions or billions of stars

Answer 18

Billions

Question 19

20. How is a globular cluster different from an open cluster

Answer 19

Globular cluster’s have 20,000 to 100,000 older stars and are located in a spherical halo around galaxies and open clusters have about a few hundred to a few thousand stars and may include blue stars

Question 20

21. What is a nebula

Answer 20

A nebula is a very huge cloud of dust and gas that are birthplaces for star formations

Question 21

22. What two forces work to keep a nebula from collapsing

Answer 21

Gravity and pressure

Question 22

23. When the balance is upset in a nebula, what can form

Answer 22

Solar nebula forms

Question 23

24. What is an astronomical unit? How many miles is an AU?

Answer 23

The average distance between the sun and earth

93,000,000 miles

Question 24

25. What is a light year? How fast does light travel in miles per second

Answer 24

A light year is the distance light travels in one year | 186,000 mi./s

Question 25

27. How many light minutes is Earth away from the sun

Answer 25

8.3 mins

Question 26

28. What is a solar system

Answer 26

The sun in 8 planets and other bodies that travel around the sun

Question 27

29. What is the difference between a galaxy and a solar system

Answer 27

A galaxy is large groupings of stars in space and a solar system is the sun and planets and other bodies that travel around the sun

Question 28

30. List the 4 terrestrial planets. List the gas giants

Answer 28

Terrestrial Mercury Venus Earth Mars | Gas giants Jupiter Saturn Uranus Neptune

Question 29

31. The largest planet in our solar system is

Answer 29

Jupiter

Question 30

32. List the planets in order from the sun outwards hint: my very educated mother just served us nachos

Answer 30

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

Question 31

33. What is an asteroid

Answer 31

small rocky bodies that orbits the sun they range in size from a few meters to more than 900 km in diameter

Question 32

34. Between what two planets can the astroid belt be found

Answer 32

Mars and Jupiter

Question 33

35. What is a comet

Answer 33

A small body of ice rock and cosmic dust that forms a tail when falling an elliptical orbit around the sun

Question 34

36. What is the difference between a meteor and a meteorite

Answer 34

A meteor burns up in Earth's atmosphere and a meteorite reaches earth surface without burning up completely

Question 35

37. What gives the moon and other planets their light

Answer 35

The sun