Chemistry
Biology
Earth Sciences
Physics
Fun Facts
100

This is the smallest unit of an element that retains all the properties of that element.

What is an atom?

100

This organelle is known as the powerhouse of the cell.

What is the mitochondria?

100

This layer of the Earth, composed of solid rock, includes both the crust and the upper mantle.

What is the lithosphere?

100

This term describes the energy an object has due to its motion.

What is kinetic energy?

100

This element is the most abundant in the universe, making up about 75% of its normal matter.

What is hydrogen?

200

This type of chemical bond involves the sharing of electrons between atoms.

What is a covalent bond?

200

These are the building blocks of proteins, made up of an amino group, a carboxyl group, and a variable side chain.

What are amino acids?

200

This scale measures the energy released by an earthquake.

What is the Richter scale?

200

This scientist developed three laws of motion that form the basis of classical mechanics.

Who is Isaac Newton?

200

This scale measures the spiciness or heat of chili peppers, based on capsaicin concentration.

What is the Scoville scale?

300

This is the term for a substance that speeds up a chemical reaction without being consumed in the process.

What is a catalyst?

300

In humans, this system is responsible for transporting blood, nutrients, and oxygen throughout the body.

What is the circulatory system?

300

This type of rock forms from the cooling and solidification of magma or lava.

What is igneous rock?

300

This type of mirror curves inward, like the inside of a spoon, and can produce magnified images.

What is a concave mirror?

300

This physicist, known for his work on black holes, once claimed that "intelligence is the ability to adapt to change."

Who is Stephen Hawking?

400

The name of the law that states the volume of a gas is directly proportional to its temperature, when pressure is constant.

What is Charles's Law?

400

This enzyme is responsible for linking Okazaki fragments during DNA replication

What is DNA ligase?

400

This type of boundary forms when two tectonic plates collide, often creating mountains.

What is a convergent boundary?

400

These particles mediate the strong nuclear force that holds protons and neutrons together in an atomic nucleus.

What are gluons?

400

A creature that, despite being classified as a mammal, lays eggs and has spines.

What is a monotreme/platypus/echidna/?

500

This method of analyzing the structure of organic compounds involves the use of infrared light to identify functional groups and bonds in a molecule.

What is infrared spectroscopy?

500

A genetic disorder caused by the absence of an enzyme needed to metabolize phenylalanine, leading to brain damage if not treated early.

What is phenylketonuria (PKU)?

500

This large-scale atmospheric circulation cell operates between the equator and 30° latitude in each hemisphere.

What is the Hadley cell?

500

This principle states that pressure decreases as the velocity of a fluid increases in a streamline flow.

What is Bernoulli's principle?

500

This is the fastest-growing plant in the world, able to grow up to 35 inches in a single day.

What is bamboo?