Atoms
this type of subatomic particle is positive
What is a proton?
NaOH is considered what type of chemical bond? (compound or element)
What is compound?
this is a force of attraction between objects (like magnets)
What is gravity?
A piece of paper being torn in half is considered this type of change (physical or chemical)
What is physical?
This type of subatomic particle is negative
What is electron?
This is the amount of elements in BaCO3.
What is 3?
this planet is the closest to the Sun
what is Mercury?
if mass increases the force of gravity does this
Pluto used to be considered a planet but now is considered this
What is a dwarf planet?
What is a neutron?
This is the amount of atoms in BaCO3
What is 5?
This planet is the biggest
What is Jupiter?
The Sun increases the force of gravity on the other planets because of this
What is that it is the largest mass?
These are large, rock-shaped objects in space that orbit the sun but are smaller than planets
These subatomic particles are located in the nucleus
What is an electron?
Two factors affecting the magnitude of the force of gravity between 2 objects are this
what is mass and distance?
These two subatomic particles are equal to each other
What are protons and electrons?
He is an example of what
What is a chemical symbol?
Leaves changing colors in the fall is considered this type of change
What is chemical?
objects in space that range in size from dust grains to very small asteroids “space rocks." (solid)
what is a meteor?
As distance between two objects increase the pull of gravity does this
This type of model for the solar system stated that the earth was in the center and the planets revolved around it.