PMA 2 review

Front

What type of rock is formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago?

Back

Sedimentary rock is formed from the accumulation and compaction of mineral and organic particles.

Front

Which two body systems work together to facilitate physical movement in the human body?

Back

The Skeletal and Muscular systems work together to enable movement.

Front

What is the term for the brightness of a star at a standard distance?

Back

Absolute (magnitude) brightness is the brightness of a star measured at a standard distance of 10 parsecs.

Front

What is not true about a total solar eclipse?

Back

A total solar eclipse cannot be viewed once a year from every spot on Earth; it is only visible from specific locations.

Front

What is the formula for density?

Back

Density = mass / volume.

Front

What type of rock is formed from volcanic activity?

Back

Igneous rock is formed from the cooling and solidification of magma or lava.

Front

What is the primary function of the circulatory system?

Back

The circulatory system transports blood, nutrients, gases, and waste products throughout the body.

Front

What is the role of the muscular system?

Back

The muscular system is responsible for the movement of the body and maintaining posture.

Front

What is the difference between apparent brightness and absolute brightness?

Back

Apparent brightness is how bright a star appears from Earth, while absolute brightness is the intrinsic brightness of a star at a standard distance.

Front

What is the significance of the moon's umbra during a solar eclipse?

Back

The umbra is the darkest part of the moon's shadow, where a total solar eclipse can be observed.