5th Grade Unit 5 Review

Why do we have day and night?

• Day and night are caused by the rotation of the Earth on its axis.

• Day and night are caused by the distance of the Earth from the Sun.

• Day and night are caused by the tilt of the Earth's axis.

• Day and night are caused by the phases of the Moon.

How often does the moon orbit the Earth?

• 14 days

• 27 days

• 30 days

• 21 days

What is the Earth's axis?

• An imaginary line through the center of the Earth through its poles.

• A physical structure that supports the Earth.

• The path that the Earth takes around the Sun.

• A geographical feature that divides the Earth into hemispheres.

What is the significance of the equator?

• It is the line that marks the boundary between land and sea.

• It is an imaginary line that divides the Earth into the Northern and Southern Hemispheres.

• It is the point where the sun is directly overhead at noon during the equinoxes.

• It is the longest line of latitude on Earth.

What is gravity?

• A force that pulls objects toward each other, such as the Earth pulling us down.

• A type of energy that causes objects to move in a circular path.

• A phenomenon that only occurs in outer space.

• An invisible barrier that prevents objects from falling.

What is a lunar eclipse?

• A lunar eclipse occurs when the Earth passes between the Sun and the moon, casting a shadow on the moon.

• A lunar eclipse happens when the moon passes between the Earth and the Sun, blocking sunlight from reaching the Earth.

• A lunar eclipse is when the Earth moves into the shadow of the moon during a new moon phase.

• A lunar eclipse occurs when the Sun is directly behind the Earth, illuminating the moon fully.

What is a lunar cycle?

• The cycle of phases of the moon, which takes about 29.5 days.

• A period of 30 days when the moon is invisible.

• The time it takes for the Earth to rotate on its axis.

• The cycle of the sun's position in the sky, which takes about 24 hours.

What causes the seasons?

• The revolution of the Earth around the Sun.

• The tilt of the Earth's axis.

• The distance of the Earth from the Moon.

• The rotation of the Earth on its axis.

What is the best definition of 'down'?

• The direction towards the center of the Earth.

• The direction opposite to up.

• A term used to describe sadness or depression.

• A position lower than something else.

What is the difference between rotation and revolution?

• Rotation is the movement of the Earth around the Sun; revolution is the spinning of the Earth on its axis.

• Rotation is the spinning of the Earth on its axis; revolution is the movement of the Earth around the Sun.

• Rotation refers to the Earth's orbit around the Moon; revolution refers to the Earth's spin on its axis.

• Rotation is the change of seasons; revolution is the tilt of the Earth's axis.