Semester exam review 2024

Front

What does it mean for forces to be balanced?

Back

Forces are balanced when they are equal in size and opposite in direction, resulting in no change in motion.

Front

What does it mean for forces to be unbalanced?

Back

Forces are unbalanced when they are not equal in size or direction, causing an object to accelerate or change its motion.

Front

What season is experienced in the northern hemisphere when it is tilted away from the sun?

Back

Winter.

Front

What type of front is characterized by warm air rising over cold air?

Back

Warm front.

Front

What happens to the temperature when a warm front passes?

Back

The temperature generally increases as warm air replaces cooler air.

Front

What is the effect of unbalanced forces on a skateboarder going down a ramp?

Back

The skateboarder accelerates down the ramp due to unbalanced forces acting on them.

Front

What is the definition of a cold front?

Back

A cold front occurs when a mass of cold air pushes into a mass of warm air, often leading to storms.

Front

What is the definition of a stationary front?

Back

A stationary front occurs when two air masses meet but neither is strong enough to replace the other, leading to prolonged weather conditions.

Front

What is the significance of the tilt of the Earth in relation to seasons?

Back

The tilt of the Earth affects the angle and intensity of sunlight received, leading to seasonal changes.

Front

What is the primary characteristic of a warm front?

Back

A warm front is characterized by gradual temperature increases and often brings light to moderate precipitation.