Sun and Stars
The sun is a _____________
A change in an object’s position compared to objects around it is called?
Motion
The center of the galaxy is full of gas, dust, stars, and a massive________________.
What is the black hole
Which law will an object at rest remain at rest, and an object moving at constant velocity will continue moving at constant velocity unless acted upon by an unbalanced force? Hint-sometimes called the Law of Inertia
A. Newton's First Law
B. Newton's Second Law
C. Newton's Third Law
Newton's 1st Law
Only a planet appropriate distance from the Sun to support life and where water exists.
Earth
A _______is a tool that magnifies far-away objects. People use it to help them see stars more clearly.
Telescope
When forces are not equal in size and/or opposite in direction, we say they are______.
Unbalance forces
A random, scattered type of galaxy is called_______?
Irregular Galaxies
Which law is an object that will accelerate in the direction of an unbalanced force acting on it?
Hint-F= Force m= mass a= acceleration
Newtons' Second Law
What is the name of the planets that are smaller, rockier, closer to the Sun?
Inner planets
Stars give off what type of energy?
Radiant energy.
___________________ is when you are using force to move an object TOWARDS you.
A. Push
B. Pull
Pull
The distance light travels in a year – about 5.88 trillion miles is called a ____________?
Light Year
A push or a pull
What is force?
What are the bodies in the solar system that orbit the Sun called?
Asteroids
The Sun appears much larger and brighter than other stars because it is _________ to Earth
Closer
What is sublimation?
What is the name of the spiral-shaped galaxy in which we live?
The Milky Way Galaxy
For every action, there is an opposite and equal reaction force. Which law is it?
Newton's 3rd Law
What are small rocks or particles of debris in the solar system?
Hint- (Shooting Star)
Meteoroids
What is the largest type of star called?
Supergiant
Changes in the amount of force used to do something or changes in the motion of an object are called____
*Hint* Examples of this:
•Inclined plane
•Pulley
•Lever
•Screw
•Wedge
Simple Machines
A smooth, circular, or oval-shaped galaxy is_________?
Elliptical Galaxies
It took 20 Joules to push a box 2 meters across the floor. With what force was the box pushed?
Hint Force= Mass x Acceleration
a) 2 N b) 10 N
c) 20 N d) 40 N
D. 40 N
A small solar system body that orbits the Sun that is made of ice, dust, and small rocky particles is called?
Comets