Everything that has mass and takes up space.
What is matter?
A force or attraction between all matter.
What is gravity?
The particles in an atom that have a neutral charge.
What is a neutron?
Holds its shape until something changes it
Solid
To travel in a circle around an object.
What is orbit?
Tiny particles inside the center of an atom.
What is a proton?
There are _____ planets in our solar system.
Eight planets in our solar system.
All motion is caused by ____________ forces.
Unbalanced forces
A push or pull that acts on and object. It can change its space, direction or shape.
What is force?
A negatively charged particle that spins around the outside of the nucleus.
What is an electron?
The three states of matter are _______, ________, and ________.
Solid
Liquid
Gas
Takes the shape of its container
Liquid
Something that happens in a regular and repeated way.
What is a pattern?
A measure of the amount of matter that makes up an object;
A property of matter
What is mass?
Planets that are farthest from the sun and are mostly made of gas are called ____________.
Gas giants
Name the Terrestrial planets:
1. Mercury
2. Venus
3. Earth
4. Mars
A relationship between events or things where one is the result of the other.
What is Cause and Effect?
The smallest piece of matter that has the properties of an element
What is an atom?
Planets that are closest to the sun and are solid balls of rock are called ____________.
Terrestrial Planets
Name the gas giants:
1. Jupiter
2. Saturn
3. Uranus
4. Neptune