Biological Science
Physical Science
Earth Science
Chemical Science
The periodic table
100

This organelle is known as the powerhouse of the cell, responsible for producing energy through cellular respiration.

What is the mitochondrion?

100

This term describes the distance between two consecutive peaks of a wave.

What is wavelength?

100

This term describes the shaking of the Earth's surface caused by the sudden release of energy in the Earth's lithosphere.

What is an earthquake?

100

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

What is an atom?

100

Element with 11 protons

sodium

200

This term describes the role and position a species has in its environment, including all interactions with biotic and abiotic factors.

 What is an ecological niche?

200

This unit measures electrical resistance in a circuit.


    • What is an ohm?


200

This instrument is used to detect and record the vibrations caused by seismic waves during an earthquake.

What is a seismometer?

200

This particle has a positive charge and is found in the nucleus of an atom.


    • What is a proton?


200

Element with 12 electrons

what is magnesium

300

This system is responsible for transporting nutrients, gases, and wastes throughout the body, consisting of the heart, blood, and blood vessels.


    • What is the circulatory system?


300

This process involves a substance changing from a solid to a liquid.

What is melting?

300

Earthquakes are most commonly associated with these boundaries where tectonic plates meet and interact.

What are plate boundaries?

300

This term refers to the total number of protons and neutrons in an atom's nucleus.

 What is the mass number?

300

The first noble gas

What is Helium?

400

This organ is responsible for the absorption of nutrients from digested food and is often referred to as the "small intestine."

What is the jejunum?

400

This method of heat transfer occurs through direct contact between materials.

What is conduction?

400

This scale measures the magnitude of an earthquake based on the energy released, commonly used by scientists.


    • What is the Richter scale?


400

This region around the nucleus where electrons are likely to be found is known as an electron cloud or what?

What is an electron shell?

400

Element with 7 protons and 7 neutrons

What is Nitrogen

500

This scientist proposed the planetary model of the atom, suggesting that electrons orbit the nucleus in defined paths, similar to planets around the sun, and introduced the concept of quantized energy levels.

Niels bohr

500

his phenomenon occurs when sound waves bounce off a surface and return to the listener.

What is an echo?

500

This large ocean wave is often triggered by underwater earthquakes and can cause devastating flooding in coastal areas.

 What is a tsunami?

500

 These are atoms of the same element that have the same number of protons but different numbers of neutrons.

What are isotopes?

500

An element that has lost electrons

Whatis a positive ion?

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