The three main types of matter.
What are solids, liquids and gasses?
A group of stars that form a pattern.
What is a constellation?
The process plants use to make food.
What is photosynthesis?
This is the largest and deepest of the world ocean basins.
This is the only metal that is liquid at room temperature.
What is mercury?
A gravitationally bound system of stars, stellar remnants, interstellar gas and dust elements and dark matter.
What is a galaxy?
This part of the cell has the genetic material and is often called the "brain of the cell".
What is the nucleus?
The process that occurs when water vapour in the air forms droplets on the side of a glass of ice water.
What is condensation?
This manned space program put men on the moon for the first time.
What is Apollo?
This organ filters 50 gallons of blood every day.
What is a kidney?
This is the name of the layer of the atmosphere closest to the surface of the Earth.
What is the troposphere?
This process is when materials go from a solid to a gas, without becoming a liquid.
What is sublimation?
This planet has the hottest surface temperature in our solar system.
What is Venus?
This is the hardest substance in the human body.
What is tooth enamel?
Most of this volcano is underwater, and when measured from its underwater base, it is the tallest mountain in the world.
What is Mauna Kea?
This physicists is perhaps more famous for his cat than his equations.
Who is Schrödinger?
This is the closest star to Earth, other than the Sun.
What is Proxima Centauri?
This animal has the heaviest brain.
What is a sperm whale?