Cells and Microorganisms
Human Physiology
Atomic Structure
Chemical Reactions
Forces and Motions
100

This organelle is known as the powerhouse of the cell.

What is the mitochondria?

100

What is the function of the respiratory system?

What is breathing or gas exchange?

100

An element with a different number of neutrons

What is an isotope?

100

The law of conservation of mass in chemical reactions?

What is mass cannot be created or destroyed, only rearranged?

100

Newton's first law of motion.

What is an object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force?

200

Name the process through which cells divide to create new cells.

What is cell division or mitosis?

200

Name the system responsible for transmitting signals between different parts of the body.

What is the nervous system?

200

 Name the process through which a liquid turns into a gas.

What is evaporation or boiling?

200

The gas produced when acids react with metals. What is hydrogen gas?

What is hydrogen gas?

200

The unit used to measure force

What is the newton (N)?

300

These tiny structures in cells are responsible for synthesizing proteins.

What are ribosomes?

300

What is the function of white blood cells in the immune system?

 What is fighting infections or pathogens?

300

The atomic number of carbon

 What is 6?

300

Define exothermic reactions.

 What are reactions that release heat or energy?

300

The force that opposes the motion of objects through air.

What is air resistance or drag force?

400

What is the function of red blood cells in the human body?

 What is carrying oxygen?

400

Define homeostasis in the context of the human body.

What is maintaining internal balance or stability?

400

A bond formed by the transfer of electrons between atoms

What is an ionic bond?
400

A measurement of the acidity or alkalinity of a solution

What does the pH scale measure?

400

The rate of change of velocity or speed.

What is 'acceleration' in physics?

500

Which type of microorganism causes malaria?

What are Plasmodium parasites?

500

Which organ is responsible for filtering waste from the blood?

 What is the kidney?

500

Define the term 'valence electrons' in relation to the periodic table.

What are electrons in the outermost shell of an atom?

500

The product of the reaction between hydrochloric acid and sodium hydroxide.

What is water and sodium chloride?

500

Define friction and give an example of its application.

What is the force that opposes motion between surfaces, like the friction between a car's tires and the road that allows it to move?

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