Science Topics Matching Quiz

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Questions and Answers

Match the following astronomy topics with their descriptions:

Electromagnetic spectrum = Range of all types of electromagnetic radiation Big Bang Theory = A theory about the origin of the universe Wavelength and frequency = Related properties of waves Ellipses/eccentricity = Shapes of orbits of celestial bodies

Match the following chemistry topics with their definitions:

Atom = The basic unit of a chemical element Isotope = Atoms of the same element with different numbers of neutrons Ionic bonds = Chemical bonds formed by the transfer of electrons Covalent bonds = Chemical bonds formed by sharing electrons

Match the following types of telescopes with their function:

Refracting telescope = Uses lenses to gather light Reflecting telescope = Uses mirrors to gather light Radio telescope = Detects radio waves from celestial objects Space telescope = Observes astronomical objects from space

Match the following particles with their charge:

<p>Proton = Positive charge Electron = Negative charge Neutron = Neutral charge Ion = Charged particle</p> Signup and view all the answers

Match the following characteristics of stars with their descriptions:

<p>Apparent magnitude = Brightness of a star as seen from Earth Absolute magnitude = Brightness of a star at a standard distance Life cycle of stars = The stages of development of a star Light-years = Distance light travels in one year</p> Signup and view all the answers

Flashcards

What is the Big Bang Theory?

The big bang theory explains the origin and evolution of the universe. It proposes that the universe began as an extremely hot and dense state and has been expanding ever since.

What is the electromagnetic spectrum?

The electromagnetic spectrum is the entire range of electromagnetic radiation, from radio waves with the longest wavelengths to gamma rays with the shortest wavelengths.

What is an isotope?

An isotope is a variation of an element with the same number of protons but a different number of neutrons. This results in a different atomic mass.

What is a covalent bond?

A covalent bond occurs when two or more atoms share electrons to achieve a stable electron configuration. This sharing results in a strong bond between atoms.

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What is a chemical equation?

A chemical equation represents a chemical reaction using symbols of the elements involved. It shows the reactants on the left side and the products on the right side.

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