Science Quiz / 'R' in science

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Can you name the R's in these science questions?

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QuestionAnswer
Element with atomic number 45
A type of surface acoustic wave that travels on solids
A fractional value representing the ratio of the relative speeds of objects before and after a collision.
The most common food source on the planet
From latin 'stiiffness of death'
The gaining of electrons
A kind of inflammation of the joints.
A distillation technique involving the condensation and return of vapours
The element responsible for Curie's death.
Physicist widely credited with first 'splitting the atom' in 1917
An evolutionary grade of animals, comprising today's turtles, crocodilians, snakes, lizards, and tuatara,
When the frequency of an external force matches the natural frequency of the body then the body oscillates with large amplitude.
The most common viral infectant of the human common cold
Organelle associated with protein synthesis
A disease commonly associated with dogs and bats
A measure of how strongly a substance opposes the flow of current
A wave whose height is more than twice the mean of the largest third of waves in a wave record
Another name is equilateral quadrilateral
A mammal which primarily digests plant based foods.
A part of a longitudinal wave in which the density of the particles of the medium is less than the normal density.

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