T4 L4 Friction and Gravity

What is the main idea of Topic 4 Lesson 4 in your science workbook?

• Chemical Reactions

• Friction and Gravitational Interactions

• Photosynthesis

• Electricity and Magnetism

Tags

NGSS.MS-LS1-6

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the purpose of the information in the skatepark?

• To identify the type of friction opposing motion

• To identify the color of the skateboard

• To identify the brand of the skateboard

• To identify the weight of the skater

What is the effect of gravity on objects in the solar system?

• It pushes them away from the sun

• It keeps them orbiting around the sun

• It makes them spin faster

• It stops them from moving

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

What is the significance of Newton's realization about gravity?

• It only applies to Earth

• It explains why objects fall

• It shows gravity acts everywhere in the universe

• It is only relevant to tides

If you stand on Jupiter, what happens to your weight compared to Earth?

• It decreases

• It remains the same

• It increases

• It disappears

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is the gravitational force that Earth exerts on you called?

• Mass

• Weight

• Volume

• Density

Tags

NGSS.MS-PS2-4

How much would the baby elephant weigh on the Moon compared to Earth?

• One-sixth

• One-half

• Twice as much

• The same

What is the gravitational potential energy (GPE) based on?

• An object's speed

• An object's position

• An object's color

• An object's temperature

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

What is the role of friction in the motion of skydivers?

• It speeds them up

• It slows them down

• It has no effect

• It changes their direction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Match the following

• An opposing force against objects moving through the air

• Mass

• The force that attracts

  two objects with mass

  toward each other.

• Air Resistance

• A push or pull required to

  move an object

• Force

• A measure of the gravitational force between objects

• Weight

• The amount of matter contained in an object or substance

• Gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2