EARTH SCIENCE

The _________ contains all the water on planet Earth.

• atmosphere
• lithosphere
• hydrosphere

A _______ is a glowing blob of gas that makes its own light.

• comet
• star
• planet

The ________ is the layer of the atmosphere that touches the surface of Earth.

• troposphere
• thermosphere
• stratosphere

When a space shuttle travels around Earth it is in _______

• orbit
• atmosphere
• subsurface

When we talk about Earth's rocky layer, we are talking about the _______

• lithosphere
• biosphere
• hydrosphere

How long does it take for Earth to orbit the Sun?

• one day

• one week

• one year

How long does it take for the Moon to orbit Earth?

• one day

• one month

• one week

A satellite is

• A type of celestial body that generates its own light.
• A device that transmits signals to Earth.
• An object that orbits a planet.

Look the picture and say what phases of the Moon are show

• First Quarter and full moon

• New moon and Full moon

• First Quarter and Last Quarter

The ____ is a place on Earth where there is direct sunlight all year.

• North Pole
• South Pole
• equator