Astronomy
The largest artery in the body.
What is the aorta?
The chemical symbol for sodium hydroxide.
What is NaOH?
The process by which plants make their own food using sunlight.
What is photosynthesis?
The largest planet in the solar system.
What is Jupiter?
This organ has a length of about 7m.
What is the small intestine?
In the periodic table the element that has the symbol Pb.
What is lead?
The powerhouse of the cell, where aerobic cellular respiration occurs.
What are the mitochondria?
This organ is responsible for filtering and detoxifying blood in the human body.
What is the liver?
6.02 x 1023 the number of atoms or molecules in one mole of a substance.
What is Avogadro's number?
The gas that makes up the majority of Earth's atmosphere.
What is nitrogen?
The event when the Moon passes directly between the Earth and the Sun, blocking out the sunlight.
What is a solar eclipse?
These cells transport oxygen from the lungs to the rest of the body and carry carbon dioxide back to the lungs.
What are the red blood cells?
A reaction that releases energy to the surrounds.
What is an exothermic reaction?
A platypus belongs to this special group of mammals.
What is a monotreme?
The molecule that carries genetic information for the development and functioning of an organism.
What is deoxyribonucleic acid (DNA)?
A famous comet with a regular orbital period of about 76 years.
What is Halley's Comet.
There are 206 in the adult human body.
What are bones.
Lithium, sodium and potassium all belong to this group in the periodic table.
What are the alkali metals?
These organisms have six legs, three body segments, and usually one or two pairs of wings.
What are insects?
The type of rock formed from cooling lava.
What is igneous rock?