Unit 2 Test: Part 1

Front

What would seasons be like if Earth's axis were straight up and down?

Back

Only one season all year long in each area.

Front

What force attracts all objects to each other?

Back

Gravity

Front

What type of eclipse occurs when the Earth is between the Sun and the Moon?

Back

Lunar eclipse

Front

Which fossil is the youngest?

Back

Fossil 1

Front

What percentage of the total mass of our solar system does the Sun make up?

Back

99.8%.

Front

What is the tilt of Earth's axis?

Back

Approximately 23.5 degrees.

Front

What causes the seasons on Earth?

Back

The tilt of Earth's axis and its orbit around the Sun.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is mass?

Back

The amount of matter in an object, usually measured in kilograms.

Front

What is the difference between weight and mass?

Back

Weight is the force of gravity on an object, while mass is the amount of matter in the object.