Biology
Number of bones in the adult human body.
What is 206?
Na is its chemical symbol.
What is sodium?
The 6th planet from the Sun.
What is Saturn?
The lowest layer of the atmosphere.
What is the troposphere?
The point (0,0) i.e. the point where the x and y axis' meet.
What is the origin?
The hardest substance in the human body.
What is tooth enamel?
K is its chemical symbol.
What is potassium?
This basic equation represents Newton's second law of motion.
What is 'F=ma'?
This type of rock is formed through the cooling and solidification of magma or lava .
What are igneous rocks?
The hypotenuse of a triangle when 'leg a' is 3 units, and 'leg b' is 4 units.
What is 5 units?
Vessels that take blood away from the heart.
What are arteries?
A metal that is liquid at room temperature.
What is mercury?
This star is the nearest to Earth.
What is Proxima Centauri?
The dense sphere of solid iron and nickel at the center of Earth.
What is the inner core?
The smallest number by which 256 may be divided so that the quotient is a perfect cube.
What is 4?
A cell that contains membrane-bound organelles.
What are eukaryotes?
Relationship between elements with same number of protons but different number of neutrons.
What is an isotope?
This black hole is in the center of the Milky Way galaxy.
What is Sagittarius A?
The theory that pieces of Earth's lithosphere are in constant motion, driven by convection currents in the mantle.
What are plate tectonics?
The product of 427 x 23
What is 9821?
The name for a group of animals without a backbone.
What are invertebrates?
Deuterium and tritium are isotopes of this element.
What is hydrogen?
One newton-meter is called this.
What is a joule?
The soft layer of the mantle on which the lithosphere floats.
What is the asthenosphere?
The perimeter of a rectangle is 52 cm. If it's width is 2 cm more than 1/3 of it's length, these are the dimension of the triangle.
What is 18 cm x 8 cm?