8th Grade Earth Science

Which characteristic of a mineral distinguishes it from a fossil rock such as coal?

Which of these is an SI unit for mass?

Most water pollution is the result of

The ozone layer protects people from which of the following

Energy conservation means

According to most scientists, what is the cause of Earth's magnetic field?

Which of the following statements are true?

Which is the force behind Earth's mass movements, such as mudflows, landslides, and rock falls?

In a nuclear power plant, energy is created by

The presence of particles in the air and what other condition are needed for cloud formation?

Upon what is the concept of a year based?

The Himalayas originally formed as a result of the constructive force of

What causes air pressure?

Common types of precipitation include all of the following EXCEPT

Find the front labeled E on the weather map. Which type of front is this?

Rocks that form when magma or lave hardens beneath the Earth's surface are called

The smaller river that enters the main river at point D is called?

The fossil record provides evidence of all the following except the

Which of these factors does the strength of gravity between two objects depend upon?

Describe the temperature and humidity of a continental tropical air mass, such as E

A dwarf planet is an object that orbits around the sun,

How do mountains in path of prevailing winds affect climate on leeward side -downwind mt. range

The two most abundant gases in the atmosphere are

Which type of weathering causes the mineral composition of rocks to change?

Which types of heat transfers are responsible for warming the troposphere?

What effect do ocean currents have on the climate of coastal areas?

The two main factors that determine the climate of a region are

Which best describes a heliocentric astronomical model?

Which letters correspond to the moon's position when the tides on Earth are the highest