Chemistry
What is an Isotope?
Isotopes are atoms of an element that have the same number of protons and electrons, but a different number of neutrons
What is the scientific term for the shoulder blade?
Scapula
What is the unit for Work and Energy?
Joules
What is a dark igneous rock formed when molten lava cools at rapid speed? (Hint: Nether Portals)
Obsidian
Which water brand has a pH of 7.0
Smartwater
What element used in the process of Galvanisation(to prevent rusting)?
Zinc
What is the largest organ in the human body?
Skin
What are the two main types of energy?
Kinetic and Potential Energy
What type of rock is formed by the accumulation of minerals at the Earth's surface?
Sedimentary
What is an Electrolyte?
An electrolyte is a substance that dissociates in water into charged particles called ions
What is Le Chatelier's Principle?
A change in one of the variables that describe a system at equilibrium produces a shift in the position of the equilibrium that counteracts the effect of this change.
What can ionizing radiation make living cells do?
They cause living cells to turn cancerous.
What units are used to measure sound intensity?
Decibels
What is a Fault Line?
A line on a rock surface or the ground that traces a geological fault.
What is the third largest organ in the human body?
The Lungs
What are the 5 MAIN Reaction types?
The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion
What is Denaturing, and name an example?
To destroy the characteristic properties of a protein or other biological macromolecule by means of heat, acidity, or other effects that disrupt its molecular conformation.
What electrical device can change the magnitude of a voltage or current?
A transformer.
What are the two elements that make up Emeralds?
Chromium and Vanadium
What is the common name for Diamorphine Hydrochloride?
Heroin
Name the Reaction type and balance the equation.
___ CH3CH2CH2CH3 + ___ O2 —> __CO2 + ___ H2O
Hydrocarbon Combustion
2 CH3CH2CH2CH3 + 13 O2 —> 8 CO2 + 10 H2O
Living things are classified into 5 kingdoms, what are they?
Monera, Protista, Fungi, Plantae, Animalia.
What is the Gravitational Constant?
G = 6.67 x 10-11 m3 kg-1 s-1
What is the rarest gemstone/mineral?
Painite
What is The Scientific Method? Name the 7 steps.
The scientific method is the process of objectively establishing facts through testing and experimentation. Question, Research, Hypothesis, Experiment, Data Analysis, Conclusion, and Communication