Under the Microscope
Chemistry
Physics
Space and Astronomy
Pulse
100

This type of cell lacks a nucleus and membrane-bound organelles.

What is a prokaryotic cell?

100

The process of rust forming on iron is an example of this type of reaction

What is oxidation?

100

This term describes the flow of positive charges in a conductor or circuit.

What is current?

100

This dense remnant of a massive star’s core, with a gravitational pull so strong that not even light can escape, is called this.

What is a black hole?

100

This organ pumps blood throughout the body.

What is the heart?

200

The network of protein fibers that gives cells shape and support.

What is the cytoskeleton?

200

This orbital is involved in bond-breaking reactions where electrons from the highest occupied molecular orbital is transferred to this orbital.

What is LUMO (Lowest Unoccupied Molecular Orbital)?

200
A mass spectrometer measures this quantity of a charged particle. 

What is mass-to-charge ratio?

200

This dwarf planet, once considered the ninth planet in the Solar System, was reclassified in 2006.

What is Pluto?

200

This type of sound wave is utilized in echolocation to help bats determine the position of their prey.

What is ultrasonic sound waves (or ultrasound)?

300

These microorganisms are known for their ability to survive in extreme environments like hot springs and salty lakes.

What are archaea?

300

A neutral carbon with a pair of lone-pair electrons.

What is a carbene?

300

The radiation emitted by an object which absorbs all frequencies of light and emits radiation depending on its temperature.

What is blackbody radiation?

300

This NASA rover, launched in 2020, is currently exploring the surface of Mars in search of signs of ancient life.

What is Perseverance?

300

In biology, the rhythmic wave-like electrical signals that travel along the axon of a neuron are known as these.

What are action potentials?

400

These bacteria can switch between aerobic and anaerobic respiration depending on oxygen availability.

What are facultative anaerobes?

400

This instrumentation method is often used to determine the 3D structure and arrangement of atoms in a lattice

What is X-ray Crystallography?

400

Electrons experience this type of force while passing through both an electric field and a magnetic field.

What is Lorentz force?

400

The largest moon of Saturn, known for its thick nitrogen atmosphere and lakes of liquid methane, is called this.

What is Titan?

400

This type of luminescence is responsible for glow-in-the-dark effects, where the material absorbs light and re-emits the light after a certain time period

What is phosphorescence?

500

The term for when a single gene influences multiple traits.

What is pleiotropy?

500

The model which accounts for the non-ideal behavior of gases, including the actual volume/size of the gas particles as well as the intermolecular forces between them

What is the Van der Waals model/equation?

500

Quasi-particles which represents the vibrational mode of the material excited under a LASER; commonly utilized in Raman scattering

What are phonons?

500

This galaxy is the closest to the Milky Way and is expected to collide with it in about 4 billion years.

What is the Andromeda Galaxy?

500

This type of star emits regular bursts of electromagnetic radiation, often detected as radio waves, due to its rapid rotation.

What is a pulsar?