Intro to Space Systems Exploration Pretest

Front

What happens to Earth if the Sun's gravity disappears?

Back

Earth would stop orbiting the Sun and begin moving in a straight line.

Front

What does it mean if we see less and less of the Moon each night?

Back

The Moon is in its waning phases.

Front

What does it mean if we see more and more of the Moon each night?

Back

The Moon is in its waxing phases.

Front

Which model is best to show the strength of gravity on some planets?

Back

Data Table Model.

Front

What season is it in the northern hemisphere at position A if it is summer?

Back

Summer.

Front

Define 'gravity'.

Back

Gravity is the force that attracts two bodies towards each other, the force that gives weight to physical objects.

Front

What is a scale model in space exploration?

Back

A scale model is a physical representation of an object that maintains accurate relationships between its dimensions.

Front

What is the significance of the Moon's phases?

Back

The Moon's phases indicate its position relative to Earth and the Sun, affecting tides and visibility.

Front

What is the difference between waxing and waning?

Back

Waxing refers to the Moon becoming more visible, while waning refers to it becoming less visible.

Front

What is an interactive model in space systems?

Back

An interactive model allows users to engage with the system, often through simulations or hands-on activities.