These three subatomic particles are found in an atom.
protons electrons and neutrons
An object changing colour indicates a __________ change.
chemical
This is the planet second closest to the Sun
Venus
The three classical states of matter are
Solid Liquid Gas
Which of the following are found in the nucleus? Protons Electrons Neutrons
Protons and Neutrons
This is the planet with the most moons in our Solar System.
Jupiter
Stars are formed in this type of interstellar object.
Nebulas
A pure substance is made up of one type of _______, and one or more types of ______________.
Particle; elements or atoms.
Cooking an egg is this type of change.
Chemical change, because a new substance has been made
A solar eclipse occurs when ________ is positioned directly in front of ___________, blocking the light from reaching us on Earth.
the Moon, the Sun
What are the following elements names. Na K C
sodium potassium carbon
Life on Earth is only possible due to this Stellar object.
The Sun
On average, a lunar eclipse occurs _________ a year.
TWICE
A Lewis Dot Diagram shows only this type of electron
Valence
These are two possible indicators of a chemical change
Two of: Heat, light, colour change, smell.
A waxing gibbous phase of the moon occurs ________ a full moon.
before