midterm exam

Front

What is the force that causes a coin to change its velocity when tossed in the air?

Back

The force of gravity.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Front

What are the two moon phases classified as 'gibbous'?

Back

4 and 6.

Tags

NGSS.MS-ESS1-1

Front

What type of element is characterized by being shiny?

Back

Metal.

Front

What is the energy transformation that occurs in a hand generator when turning the handle?

Back

Mechanical → electrical → light.

Front

What type of star has a luminosity of 10,000 and a temperature of 20,000 K on the Hertzsprung-Russell diagram?

Back

Blue giant.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the definition of a gibbous moon?

Back

A moon phase where more than half of the moon is illuminated but not fully.

Tags

NGSS.MS-ESS1-1

Front

What is the difference between a main sequence star and a red giant?

Back

Main sequence stars are in a stable phase of hydrogen burning, while red giants have expanded and cooled after exhausting hydrogen in their cores.

Front

What is the role of gravity in the motion of objects?

Back

Gravity pulls objects toward the center of the Earth, affecting their velocity and direction.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is a Hertzsprung-Russell diagram used for?

Back

To classify stars based on their luminosity and temperature.