Changing Views of Earth

What does the term 'Approximately' mean?

• Almost /close to.

• The same size, they are nearly or about the same size

What does 'Astronomical' relate to?

• Outer space or astronomy.

• A mathematical calculation.

What is a 'Calculation'?

• Do math to find an answer.

• A set of criteria.

What are 'criteria'?

• Rules for judging something or making a decision

• A type of measurement.

What is 'diameter'?

• Measure across the center of a circle

• The distance around a shape.

What does it mean to 'Evaluate'?

• Examine it again and again.

• Make a quick decision.

What is an 'Orbit'?

• Body circling around another body

• A type of celestial event.

What are 'Spheres'?

• Anything that is shaped like a ball or a globe.

• A type of geometric figure.