Biology
The part of the human body that secretes growth hormones.
What is the pituitary gland?
When an atom or ion loses electrons during a chemical reaction.
What is oxidation?
These substances speed up chemical reactions by lowering the activation energy required.
What are catalysts?
These waves have the longest wavelength in the electromagnetic spectrum.
What are radio waves?
The hardest substance in the human body.
What is tooth enamel? (Also accept lining of teeth)
This fluid/substance is needed in order for us to taste food.
What is saliva? (saliva breaks down chemicals from food and its those chemicals that can be detected by receptors in taste buds)
A chemical reaction that occurs between an element or compound (usually hydrocarbon) with oxygen to form an oxide and produce heat.
What is a combustion reaction?
What is 2/12 or 1/6?
Materials that when cooled to a critical temperature, can conduct electricity with little to no resistance or energy loss.
What are superconductors?
When the outputs of a system, process, or mechanism are routed back as inputs. (ex. Regulation of blood glucose levels).
What is negative feedback?
The part of the human body where T lymphocytes mature.
What is the thymus? (after puberty this gland slowly decreases in size and is replaced by fat).
These are 5 ways to separate mixtures.
What is chromatography, filtration, distillation, evaporation, magnetism, crystallization, and centrifugal force (name any 5)?
The first animal to be sent into space.
Who was Laika the dog? (Also accept What is a dog?)
This device emits electron beams that display images on a phosphorescent screen
What is a cathode ray tube?
This type of stress is associated with divergent plate boundaries
What is tensional stress?
The 5 types of white blood cells in the human body.
What are monocytes, eosinophils, basophils, lymphocytes, and neutrophils?
The full electron configuration for neutral sulfur.
What is 1s^2 2s^2 2p^6 3s^2 3p^4?
A theoretical physicist and cosmologist who wrote the book “A Brief History of Time”.
Who was Stephen Hawking?
The speed of sound underwater
What is 1500m/s?
An unusual state of matter when a substance cooled to near absolute zero displays frictionless flow and have zero viscosity.
What is superfluidity? (Hint: liquid helium exhibits this behaviour)
What is IgE?
(Other immunoglobulins: IgG, IgM, IgA, IgD)
The atoms in this allotrope are arranged randomly. (Hint: It forms from an uncombusted element when fossil fuels burn.)
What is soot?
This medical term is used to describe when sodium concentrations in the blood are abnormally low.
What is hyponatremia?
The approximate mass of the Earth.
What is 5.97 x 10^24 kg?
The most common mineral on Earth. (Hint: tectosilicate minerals that form rocks & make up around 41% of the Earth’s crust)
What is feldspar?