Gravity/Earth patterns/Apparent Brightness

Front

What causes day and night on Earth?

Back

Earth's rotation on its axis.

Front

Why does the Sun appear brighter than other stars in the sky?

Back

Because it is nearer to Earth than other stars.

Front

What did Isaac Newton discover about gravity?

Back

Gravity is a universal force that pulls objects towards the Earth.

Front

What happens to an apple dropped in California compared to one dropped at the North Pole?

Back

Both apples would drop to the ground at a similar speed.

Front

What is air resistance?

Back

Air resistance is a force that opposes the motion of an object through air.

Front

What is the effect of gravity on objects?

Back

Gravity pulls all objects towards the center of the Earth.

Tags

NGSS.5-PS2-1

Front

What is the relationship between gravity and mass?

Back

The greater the mass of an object, the stronger the gravitational pull it exerts.

Tags

NGSS.MS-PS2-4

Front

How does distance affect the apparent brightness of stars?

Back

The closer a star is to Earth, the brighter it appears.

Front

What is the role of air resistance in falling objects?

Back

Air resistance can slow down the fall of an object, opposing the force of gravity.

Front

What is the concept of 'free fall'?

Back

Free fall is when an object is falling under the influence of gravity only, with no other forces acting on it.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4