The Universe/Photosynthesis Exam Review

Front

The Milky Way galaxy is an example of a(n)

Back

a spiral galaxy

Front

The strength of the force of gravity depends on

Back

the masses of the objects and the distance between them

Front

Gravity helps form stars, planets, and solar systems by the gradual gathering together of smaller pieces in a process called

Back

accretion

Front

Which space journey would take the longest?

Back

a journey from Earth to a star in the constellation Centaurus

Front

What would lead to the conclusion of discovering a new solar system according to NASA's Kepler mission?

Back

They discovered a star that is orbited by other astronomical bodies.

Front

Two new planets are discovered, planet X and planet Y. The planets have identical volumes, but the mass of planet X is two times greater than the mass of planet Y. If two identical spaceships land on each planet, what will be true about their weights?

Back

The weight of the spaceship on planet X will be greater than the weight of the spaceship on planet Y.

Front

The distance between objects, along with the masses of the objects, affect the gravitational force between the objects. Which claim can be supported by Newton’s law of universal gravitation?

Back

When distance between objects increases, gravitational force decreases.

Front

The diagram below shows several objects in space. Which of these choices best identifies what the diagram shows?

Back

heliocentric solar system

Front

In which group do organisms that can make their own food belong?

Back

producers

Front

Plants perform photosynthesis and respiration. Dead plants are broken down and become part of the soil. Which matter do plants help to cycle through ecosystems?

Back

carbon, oxygen, nitrogen, and water