What is the largest organ of the Human Body?
Skin
What is Biology the study of?
Living things
How would you separate a mixture of sand and water?
Filtration
What is a balanced force?
When the forces acting in opposite directions and are equal in magnitude. Net force = 0N
Sun, Moon, Earth
What is the word equation for respiration?
What is the different between a prokaryotic and eukaryotic cell?
Prokaryotic cells do not have a nucleus and eukaryotic cells do.
What is the element symbol for potassium?
K
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)
What is the type of rock characterised by foliated layers and interlocking crystals?
Metamorphic rock
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.
What is the name of the type of relationship between two different species where one species benefits and the other is harmed?
Parasitism
What are the products of the reaction between an acid and a metal?
Salt and hydrogen gas
What type of wave does light travel through?
Transverse waves.
What was the name of the supercontinent?
What does DNA stand for?
Deoxyribonucleic acid
How many bones does a shark have?
Zero
What is the type of bonding that conduct electricity, is malleable and have high melting and boiling points?
Metallic bonding
What is Newton's first law of motion?
An object in motion will remain in motion unless acted upon by an external force.
What is the name of the death of a star?
Supernova or planetary nebula
What is the name of the bone that does not have a joint with another bone?
Hyoid
What is the type of structure that has similar structures but different function? E.g. batwing and human arm.
Homologous structures
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)
What is the formula for calculating kinetic energy?
E = 1/2mv2
How fast does light travel through space?
3 x 108 ms-