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WorksheetsSearch for life - Lessons 1-2
Total questions: 20
Worksheet time: 11mins
H2O
Occurs naturally, composed of one or more atoms of the same substance
Atom
Element
Mixture
Phospholipid
H20 is a (select all that apply)
Element
Mixture
Molecule
Compound
The following is an O2. O2 is a (select all that apply)
Element
Compound
Mixture
Molecule
Which substance is not an element?
Neon (Ne)
Oxygen (O2)
Carbon dioxide (CO2)
Iron (Fe)
Is Sodium (Na) an element or a compound?
Element
Compound
The perfect distance from a star in order to sustain water.
astrobiology
habitability
goldilocks zone
exoplanet
transit
The moon is in the "goldilocks zone" of our atmosphere. Why can't the moon harness life?
The moon is to close to the sun
The moon is to small to contain an atmosphere
The moon does not get enough energy from the sun
The moon does not have an orbit
The macromolecules of life are always surrounded by
Oxygen
Nitrogen
Water
Carbon dioxide
Elements like Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus and Sulfer are
alive
Not alive
Molecules can be detected from far distances through the process of _______________ .
Scientific process
Absorption
Transit method
Spectroscopy
Molecular spectroscopy can best be defined as...
The interaction between protons and neutrons
interaction between molecules and electromagnetic radiation as a function of the wavelength or frequency of the radiation.
photometric method that aims to indirectly detect the presence of one or more exoplanets in orbit around a star.
Which of the following is not a required element for life?
Carbon
Sulfur
Phosphorous
Oxygen
Water
Which of the following is not an element required for life?
Hydrogen
Nitrogen
Calcium
Oxygen
Phosphorous
From what we know, what qualties are required for a planet to contain life? (select all that apply)
Right Atmospheric gases
Earth's size or bigger
Located in the goldilocks zone
Liquid water
Contain rocks
_________ give off energy that scientists can detect from far distance
Bacteria
Molecules
Aliens
Planets
Most abundant gas in Earth's atmosphere
Nitrogen
Carbon
Oxygen
Hydrogen
