Human Biology
Biology
Chemistry
Physics
Earth and Space
100

What is the largest organ of the Human Body?

Skin

100

What is Biology the study of?

Living things

100

How would you separate a mixture of sand and water?

Filtration

100

What is a balanced force?

When the forces acting in opposite directions and are equal in magnitude. Net force = 0N

100
Put the three celestial bodies in the correct order for a solar eclipse. 

Sun, Moon, Earth

200

What is the word equation for respiration?

Glucose (sugar) + Oxygen --> Carbon Dioxide + Water
200

What is the different between a prokaryotic and eukaryotic cell?

Prokaryotic cells do not have a nucleus and eukaryotic cells do. 

200

What is the element symbol for potassium?

K

200

Define kinetic or potential energy and provide an example.

Kinetic energy: energy an object has due to its motion (Light, sound, heat, mechanical, electrical)

Potential energy: energy stored due to the interactions between objects or particles (gravitational, elastic, chemical, nuclear)

200

What is the type of rock characterised by foliated layers and interlocking crystals?

Metamorphic rock

300

What is the difference between the CNS and the PNS?

Central nervous system is the brain and spinal cord, coordinates responses. 

Peripheral nervous system is the sensory and motor neurons and detects responses to changes in the environment.

300

What is the name of the type of relationship between two different species where one species benefits and the other is harmed?

Parasitism

300

What are the products of the reaction between an acid and a metal?

Salt and hydrogen gas

300

What type of wave does light travel through?

Transverse waves.

300

What was the name of the supercontinent?

Pangaea
400

What does DNA stand for?

Deoxyribonucleic acid 

400

How many bones does a shark have?

Zero

400

What is the type of bonding that conduct electricity, is malleable and have high melting and boiling points?

Metallic bonding 

400

What is Newton's first law of motion?

An object in motion will remain in motion unless acted upon by an external force.

400

What is the name of the death of a star?

Supernova or planetary nebula

500

What is the name of the bone that does not have a joint with another bone?

Hyoid

500

What is the type of structure that has similar structures but different function? E.g. batwing and human arm.

Homologous structures

500

What is the name of the forces that are easily overcome, resulting in the low melting and boiling points of covalent molecular substances?

Intermolecular forces (Van der Waals forces)

500

What is the formula for calculating kinetic energy?

E = 1/2mv2

500

How fast does light travel through space?

3 x 108 ms-