6.3-6.4 Quiz Answers

Place the answer on your new quiz paper

Question 1

_________________ attracts all objects toward each other.

A: Gravity!

Question 2

The measure of the force of gravity on an object.

A: Weight

Question 3 Says that every object in the

universe attracts every other object. A: Law of Universal Gravitation

Question 4 The tendency of an object to resist a

change in motion.

A: Inertia

Question 5

The amount of matter in an object

A: mass (measured in kg)

Question 6 A push or a pull

A: Force (like gravity!)

Question 7 An object at rest will stay at rest and

an object in motion with a constant speed and direction unless acted on by a force.

A: Newton’s 1st law of motion

Question 8 What 2 factors does the strength of

gravity depend on? A: 1. mass 2. Distance

Question 9 What 2 factors keep a planet in orbit

around the sun? Write these factors on the lines below and label the diagram with the 2 factors in the boxes.

A: 1 Inertia 2. Gravity

Question 10-11 Why does the moon have phases?

A: Because the relative positon of the earth, moon and sun change and we can see the ½ lit side of the moon in phases.

Question 12 Why do we see the same side of the

moon the entire lunar month?

A: Because the moon rotates on its axis the same amount of time that it orbits our earth.

Question 13-14 Two types of eclipses are:

A: Lunar and Solar Lunar:

Solar:

Question 15-16 Below is a lunar phase diagram. There are 2

boxes that are not filled in and these two positions show the new moon phase and the full moon phase. Label these 2 boxes correctly.

New MoonFull moon

17-20 Notice the axis tilt of Earth. If you lived in the

Northern hemisphere, which season would you be experiencing right now? If you lived in the southern hemisphere, which season would you be experiencing right now? How do you know?

A: NH- summerSH- winterThe northernHemisphere is Pointing to the sun and getting direct sunlight. The opposite is true for the southern hemisphere.