1st Period Assessment Reviewer

Gravity is an invisible force that pulls on objects. The strength of gravity an object has depends on its ___________________________.

• Color

• Size

• Mass

Astronauts feel weightless in space because?

• They are too far away from Earth to feel gravity

• Their spaceships are flying too fast

• They don't have enough air to breathe

Which of these natural phenomena is caused by the Moon's gravity pulling on Earth's oceans?

• Day and night

• Seasons

• Tides

Isaac Newton is credited with first describing the force of gravity. According to gravity, what happens to the force of gravity between two objects as they get farther apart?

• It gets stronger

• It stays the same

• It weakens

An object will fall faster to the ground if it ______________.

• Is dropped from a higher distance

• Is lighter in weight

• Is dropped underwater

TIDES are caused by the Moon's gravity pulling on the Earth's oceans.

• TRUE

• FALSE

A METEOR is a burning rock that streaks through the Earth's atmosphere, often leaving a bright trail

• TRUE

• FALSE

A METEORITE is a large piece of rock or metal from space that survives its journey through the atmosphere and lands on Earth.

• TRUE

• FALSE

The SUN’S GRAVITY has a much stronger effect on Earth's tides than the Moon's gravity.

• TRUE

• FALSE

Tides happen everywhere on Earth at the SAME TIME.

• TRUE

• FALSE