Stanford Achievement Test Stanford Achievement Environment and Earth Science 2

Question 1

What type of rock is formed from cooled magma or lava?

Accepted Answer

Igneous

Answer

Igneous rock forms when magma (underground) or lava (above ground) cools and solidifies.

Question 2

What is the main cause of seasons on Earth?

Accepted Answer

Earth's tilted axis as it orbits the sun

Answer

Earth's seasons are caused by its tilted axis (23.5°), which causes different parts of Earth to receive varying amounts of sunlight throughout the year.

Question 3

Which gas makes up the largest percentage of Earth's atmosphere?

Accepted Answer

Nitrogen

Answer

Nitrogen makes up approximately 78% of Earth's atmosphere, while oxygen accounts for about 21%.

Question 4

What is the greenhouse effect?

Accepted Answer

The process by which gases trap heat in Earth's atmosphere

Answer

The greenhouse effect occurs when greenhouse gases like carbon dioxide trap heat from the sun in Earth's atmosphere, warming the planet.

Question 5

What is a food chain?

Accepted Answer

A sequence showing how energy passes from one organism to another

Answer

A food chain shows the flow of energy from producers (plants) through consumers (animals) in a sequential order.

Stanford Achievement Test Practice Test

Stanford Achievement Test Practice Test

Stanford Achievement Test Stanford Achievement Environment and Earth Science 2