Paragraph: (Science-textbook/science-g5-73.txt)
Sent 1: So what is gravity?
Sent 2: A typical definition of gravity is that it is a force.
Sent 3: It causes an attraction between two masses.
Sent 4: According to this definition, anything that has mass exerts a force.
Sent 5: Any object exerts gravity on other objects.
Sent 6: It does not matter how small it is, it has gravity.
Sent 7: The more matter an object has, the more gravity it has.
Sent 8: Your pencil has a tiny bit of gravity, but far too little to notice.
Sent 9: What about a planet?
Sent 10: It would have a lot of gravity.
Sent 11: An objects gravity exerts a pull on other objects.
Sent 12: Friction only occurs between objects that are touching.
Sent 13: Gravity can act between objects that are not touching.
Sent 14: In fact, gravity can act over very long distances.
Sent 15: Where else can you feel gravity?

Question: What is gravity? (false/additional)

Question: What does the standard definition of gravity indicate? (false/additional)

Anything that has mass exerts a force of gravity and can exert that force on other objects
anything without mass exerts a force
The fewer matter an object has, the more gravity it has

Question: How does mass affect the force exerted? (false/challenge)

It does not matter how small it is, it has gravity.
The greater mass of the body, the greater the force exerted
The more matter an object has, the less gravity it has

Question: What factors affect gravity? (false/challenge)

Question: Do all objects exert gravity? (false/additional)

Yes all bodies exert gravity regardless of size and mass.
Yes, as long as it is big enough.
Yes, as long as it is magnetic.
Yes, as long as it is close enough.

Question: What would keep gravity from affecting two objects? (false/additional)

distance
If two objects are too far, gravity cannot act between them.
If two objects are touching, gravity cannot act between them.

Question: How do gravity and friction differ? (false/additional)

Friction only occurs between objects that are touching. Gravity can act between objects that are not touching.
Friction only occurs between objects that are not touching; Gravity can act between objects that are touching
friction occurs everywhere

Question: Does size matter as to whether or not an object has gravity? (false/additional)

no
yes

Question: Would a planet have more gravity than a pencil? (false/additional)

yes
no

Question: How do objects interact under gravity? (false/challenge)

Any object exerts gravity on other objects no matter how small it is, and the more matter an object has, the more gravity it has.
there is a pull
gravity causes an attraction between two masses
there is friction
friction causes an attraction between two masses

Question: How is friction different from gravity? (false/additional)

friction only occurs that are touching
Friction only occurs between objects that are touching but gravity can act between objects that are not touching.
friction occurs everywhere

Question: Does size matter when it comes to gravity? (false/additional)

any object has gravity no matter how small it is
no
Friction only occurs between objects that are not touching
yes

Question: Does the earth have gravity? (false/additional)

The earth has a lot of gravity, the more matter an object has the more gravity it has
yes
no

Question: What does an objects gravity cause it to do? (false/challenge)

Last updated: Mon Apr 16 04:55:33 EDT 2018
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