Science Space

For a solar eclipse to occur, ______ .

• the sun must be directly between Earth and the moon.

• the moon must be directly between Earth and the sun.

• the moon must be directly behind Earth.

• Earth must be directly between the sun and the moon.

Tags

NGSS.MS-ESS1-1

Galileo saw that much of the moon’s surface is covered with round pits called ______ .

• highlands.

• seas.

• craters.

• maria.

Tags

NGSS.MS-ESS1-1

Scientists think the moon was formed when ______ .

• a large object struck Earth, and ejected material from the collision combined.

• gravitational forces attracted a moon formed elsewhere in space.

• meteoroids collected and solidified within the pull of Earth’s gravity.

• gases from Earth escaped from the atmosphere and condensed in space.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

An equinox occurs when ______ .

• neither end of Earth’s axis is tilted toward or away from the sun.

• the north end of Earth’s axis is tilted away from the sun.

• the north end of Earth’s axis is tilted toward the sun.

• Earth’s axis is parallel to the sun’s rays.

Tags

NGSS.MS-ESS1-1

The moon appears to be cut in half during ______ .

• new moon and full moon phase.

• new moon and first quarter phase.

• first quarter and third quarter phase.

• full moon and third quarter phase.

Tags

NGSS.MS-ESS1-1

Which event began the space race?

• Yuri Gagarin went into space.

• The United States established NASA.

• The United States launched Explorer

• The Soviet Union launched Sputnik I .

Both reflecting and refracting telescopes are designed to ______ .

• break visible light into colors of the spectrum.

• separate visible light from ultraviolet and radio waves.

• gather and focus visible light.

• work better with short - wavelength radiation.

Characteristics used to classify stars include ______ .

• distance, size, and color.

• size, distance, and brightness.

• color, brightness, and distance.

• size, brightness, and temperature.

The Milky Way galaxy is an example of a(an) ______ .

• spiral galaxy.

• globular cluster.

• elliptical galaxy.

• irregular galaxy.

The theory that astronomers have developed to describe the formation of the universe is called the ______ .

• Rubber band theory.

• Collision theory.

• Galactic expansion theory.

• Big bang theory.

Tags

NGSS.HS-ESS1-2