Space Vocabulary Practice

What is the central body of the solar system?

• Earth

• Moon

• Sun

• Mars

What is the term for a celestial body that orbits a planet?

• Star

• Asteroid

• Moon

• Comet

What is the process by which plants use sunlight to make food?

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

What is the term for the zone around a star where conditions may be right for life?

• Habitable Zone

• Radiation Zone

• Atmospheric Layer

• Thermal Envelope

What is a small chunk of rock or iron that travels through space?

• Asteroid

• Comet

• Meteoroid

• Planet

What is the term for the remains of a meteoroid that survives its passage through the atmosphere and lands on Earth?

• Asteroid

• Comet

• Meteorite

• Planet

What is a rock that has fallen to Earth from outer space?

• Meteorite

• Asteroid

• Comet

• Satellite

What are large round objects that revolve around a star?

• Star

• Asteroid

• Planet

• Comet

What is the term for the shape of the path that planets take around the sun?

• Circle

• Ellipse

• Spiral

• Parabola

What does it mean to strengthen or support?

• Sustain

• Weaken

• Neglect

• Diminish