TLA Earth and the Universe CA

Which statement best describes the Big Bang Theory?

• Galaxies within the universe collided about 13.5 billion years ago forming the present objects in the universe.

• Existing objects in the universe move randomly with the potential of colliding in about 13.5 billion years.

• Galaxies throughout the universe moved toward each other after an event that occurred about 13.5. billion years ago.

• Most objects in the universe are moving away from each other as a result of an event that occured about 13.5 billion years ago.

What is at the center of our solar system?

• A medium planet with an atmosphere

• A star composed of carbon and nitrogen

• A black hole that was once a star

• A star composed of hydrogen and helium

For what is gravity responsible?

• orbits of the planets around the Sun

• rotation of a planet on its axis

• tilt of Earth's axis

• phases of the moon

A day on Saturn takes about 10 Earth hours. Which fact would best explain this short day?

• Saturn rotates more rapidly than Earth.

• Saturn's orbit has greater eccentricity than Earth's

Which diagram best represents the relationships of the sun, Earth and the moon?

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Which of the following lists is in order from smallest to largest?

• universe, solar sysem, star, galaxy

• solar system, star, universe, galaxy

• galaxy, star, solar system, universe

• star, solar system, galaxy, universe

The chart shows observations of the moon. Which drawing shows how the moon would most likely appear on day 13?

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Which of the following is a modern application for a satellite?

• gathering scientific data

• gathering pictures of Earth's surface

• transmitting radio and television signals

• all answers are correct

Which layer of the sun is the hottest?

• Photosphere

• Chromosphere

• Corona

• Core

Which of the following events occurs when the Moon passes through a part of the Earth's shadow?

• A total solar eclipse

• A total solar eclipse

• A partial lunar eclipse

• A total lunar eclipse