Lessons

A group of stars that form a pattern is

• constellation

• solar flare

• sunspots

An inflated, negatively charged balloon is moved toward a stream of water from a faucet. What will happen to the water molecules?

• They will turn and develop a slightly positive charge so the water moves toward the balloon.

• They will turn and develop a slightly positive charge so the water moves away from the balloon.

• They will develop a slightly negative charge so the water moves toward the balloon.

• They will develop a slightly negative charge so the water moves away from the balloon.

Tags

NGSS.MS-PS2-3

What is the definition of an electric current?

When Bethany walks across a carpet, her socks pick up many electric charges. Later in the day, these charges are no longer present on her socks. What most likely happened to the charges?

• The charges disappeared.

• The charges switched signs.

• The charges transferred to another object.

• The charges broke apart into smaller particles.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

WHich of the following organisms are most closely related?

• Ursus americanus and Panthera leo

• Canis lupus and Ursus arctos

• Canis lupus and Panthera leo

• Ursus americanus and Ursus arctos

Tags

NGSS.MS-LS4-2

There are 2 positively charge objects next to each other. How would you describe the force that is exerted on the objects due to their electric charge?

• There is a force pushing both objects to the left.

• There is a force pulling the objects toward each other.

• There is a force pushing the objects away from each other.

• There is no force on the objects due to their electric charge.

Tags

NGSS.MS-PS2-3

What happens when a rubber rod is rubbed with a piece of fur, giving the rod a negative charge?

• Negative charges are moved from the rod to the fur.

• Negative charges are moved from the fur to the rod.

• Negative charges are added to the rod and the fur remains neutral.

• Positive charges are removed from the rod, and the fur remains neutral.

Tags

NGSS.MS-PS2-3

The distance between a positively charged object and a negatively charged object decreases and the charges remain the same magnitude, what happens to the electric force between the objects?

• The electric force decreses

• The electric force increases

• The electric force remains the same

• There is not enough information to answer this question.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How does an ammeter measure a charge?

Tags

NGSS.MS-PS2-3

What is matter?

• Anything that has weight and visible particles

• The amount of "stuff" in an object.

• Anything that has mass and takes up space.