U4 L1 Review

Rise and fall of water level along the shoreline​ (a)  

• tides

• gravity

• depth

Tags

NGSS.MS-PS2-4

Draw arrows in each corner to show the direction gravity would pull objects on Earth.

Answer explanation

Earth always pulls things to it's center, so your arrows should always be pointing to the center of Earth, no matter where you would be standing on it.

Tags

NGSS.5-PS2-1

This is a chunk of rock from space that has entered into Earth's atmosphere:

• meteorite

• meteor

• asteroid

• crater

Tags

NGSS.MS-ESS3-2

A _______ is created when a meterite has struck Earth's surface.

________ is the force of attraction between any two objects based on their mass and distance.

Tags

NGSS.MS-PS2-4

Water levels ______ on the side of the Earth that faces the moon.

• rise

• fall

Tags

NGSS.MS-ESS1-1

A metor is often mistakenly referred to as a _________ star.

Which of the following is does NOT have an affect on how strong the force of gravity is on an object?

• time

• distance

• mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Sarah weighs 60 lbs on Earth and only 10 lbs on the moon. How is this possible?

Answer explanation

Since the gravity on the moon is 1/6 of the gravity on Earth, Sarah has less force pulling down on her mass. This means that she weighs 1/6 the amount that she weighs on Earth.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Once a space rock strikes Earth's surface, it becomes known as a _________.

• meteor

• meteorite

• asteroid

Tags

NGSS.MS-ESS3-2