The phase when the Moon is not visible from Earth.
What is the New Moon?
When ocean water reaches its highest level.
What are High Tides?
The warmest season, when the Earth's hemisphere is tilted towards the sun.
What is Summer?
Two or more atoms bonded together.
What is a Molecule?
The basic unit of a chemical element.
What is an Atom?
The phase when the entire moon's face is illuminated.
What is a Full Moon?
When ocean water drops to its lowest level.
What is Low Tide?
The coldest season, when the Earth's hemisphere is tilted away from the sun.
What is Winter?
A scale used to measure how acidic or basic a substance is.
What is the pH scale?
A positively charged particle in the nucleus of an atom.
What is a Proton?
The phase when half of the moon is illuminated, and it's growing.
What is the First Quarter?
Tides with the greatest difference between high and low water levels.
What is Spring Tide?
The tilt of the Earth's axis as it orbits around the sun.
What causes seasons?
A process that changes substances into different substances.
What is a Chemical Reaction?
A negatively charged particle orbiting the nucleus of an atom
What is an Electron?"
The phase when more than half of the moon is illuminated and increasing.
What is Waxing Gibbous?
Tides with the least difference between high and low water levels.
What is Neap Tide?
When day and night are of approximately equal duration
What is an Equinox?
A substance made of two or more different types of atoms bonded together.
What is a Compound?
A particle in the nucleus of an atom with no electrical charge.
What is a Neutron?
The phase where the moon is decreasing to a new moon.
What is Waning Crescent?
The gravitational pull of the moon and the sun.
What causes tides?
The longest or shortest day of the year.
What is the Solstice?
Mass is neither created nor destroyed in a chemical reaction.
What is the Law of Conservation of Mass?
The number of protons in the nucleus of an atom.
What is the Atomic Number?