Geoscience Sem 1 final practice

In Big History, the term "threshold" refers to

The 1769 transit of Venus was important because

Earthquake's magnitude is measured by the

Parallax is

Accretion involves

The study of properties & interactions of astronomical bodies is

Force that pulled together hot dense areas of matter to form stars

Heaven is spherical & moves as a sphere. earth is spherical and lies in the middle

How did the formation of the Moon impact the Earth?

Expansion of the universe is supported by the

How were the planets formed?

What is the astronomical unit (AU) based on?

How old is the universe?

Why did dust & materials orbiting the sun accrete?

The estimated age of the Earth and the Solar System is

What type of reaction in the core of a star?

Fundamental force of attraction between bodies of mass is

As the Earth cooled, the water vapor condensed, forming

What piece of evidence shows that the Big Bang occurred?

The threshold that created new ingredients & conditions that became everything in the Universe

Knowing Earth's circumference helps calculate

When protons fuse in the formation of stars, they release a huge burst of energy

A planet outside of our Solar System is called

Earth's dozens of plates float on the

To find an earthquake's epicenter, you need at least

According to the Big Bang, the Universe is approximately

Why is the formation of stars threshold important?

Stars begin their life cycle in

What is the largest cosmic structure?

Choose the most recent chronological event from the list.

Changes in Earth's interior are shown by

Before the telescope, what did astronomers use to determine distance of stars from Earth?

Why are rocky planets more complex than gassy giants?

Marie Curie's most important work in chemistry was

The Astenosphere is

Why do we not see green stars?

What NEW complexities emerged immediately after the Big Bang>

Measurements used by astronomers to calculate large distances

Mysterious force that is accelerating the Universe's expansion is

The outermost planet in our solar system is

What makes the inner Solar System planets different from the outer Solar System planets?

Mysterious substance throughout the universe that interacts with gravity, but not light is

Our knowledge of chemistry is built on years of collective learning

Point in the Earth where energy is released from an earthquake

Why do the planets have a layered internal structure?