Gravity
What is gravity?
It is the force that attracts two bodies toward each other.
What is inertia?
An object in motion stays in motion, and an object at rest stays at rest unless acted upon by a force
What is a comet primarily made of?
Ice, dust, and rocks
Where are most asteroids found in our solar system?
Asteroid Belt
What do we call a meteoroid that enters Earth's atmosphere?
A meteor.
Describe how gravity affects objects in space.
Gravity keeps planets in orbit around the sun and moons in orbit around planets.
How does Inertia affect the planets in our solar system?
It keeps them moving in their orbit around the sun.
How are comets similar to asteroids?
Both comets and asteroids are considered small solar system bodies and can provide information about the early solar system.
What is the difference between a meteoroid and an asteroid?
A meteoroid is a rock that is not in the asteroid belt, while an asteroid is a larger rocky body found mainly in the asteroid belt.
What is another name for a meteor that creates a bright streak of light in the sky?
Shooting Star
What happens to an object in motion when no forces act on it?
It will continue moving in a straight line at a constant speed due to inertia.
Provide an example of inertia in everyday life.
A passenger in a car feels a jolt forward when the car suddenly stops.
Name the famous comet that appears every 76 years.
Hallys Comet
What are the potential dangers of asteroids to Earth?
Large asteroids can collide with Earth, causing significant damage.
What happens to most meteors as they enter the atmosphere?
Most burn up due to friction with the atmosphere.
Explain the relationship between gravity and mass.
The greater the mass of an object, the stronger its gravitational pull.
What happens to an object in motion when no forces act on it?
It will continue moving in a straight line at a constant speed due to inertia.
How do comets differ from asteroids?
They do not contain Ice
What is believed about the origin of asteroids?
It is believed that asteroids came from planets that never formed.
What term is used for a meteoroid that survives its passage through the atmosphere and lands on Earth?
Meteorite
What is the rate at which objects fall due to gravity on Earth?
Objects fall at approximately 9.8 m/s29.8m/s2 due to gravity.
How does inertia affect space travel?
Inertia helps spacecraft maintain their paths in space without using fuel for constant adjustments.
What is the typical shape of a comet's orbit?
elliptical
What is the name of the largest asteroid in the asteroid belt?
Ceres
Name the 4 step process of how a Asteroid becomes a meteorite.
1. Steroid in the Asteroid Belt
2. Meteoroid
3. Meteor
4. Meteorite