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WorksheetsCOMPOSITION OF THE UNIVERSE
Total questions: 17
Worksheet time: 16mins
The largest component of the universe today.
(a)
Which statement best describes the Law of Conservation of Energy?
Energy can be created but not destroyed
Energy can be destroyed but not created
Energy cannot be created nor destroyed, only transformed
Energy disappears when used
Form of matter that cannot be seen and interacts only through gravity.
(a)
Form of energy that causes the accelerating expansion of the universe.
(a)
Period after the Big Bang when no stars had formed yet; the universe was dark.
(a)
The process that formed the first subatomic particles.
(a)
Atoms of the same element that have the same atomic number but different mass number.
(a)
The isotope of hydrogen that has one proton and one neutron.
(a)
The isotope of hydrogen that has one proton and two neutrons.
(a)
Additional Information: The isotope of hydrogen that has one proton and zero neutrons.
(a)
Stephen Hawking referred to this concept as “nothing,” the state before anything existed.
(a)
The fundamental particles that combine to form protons and neutrons.
(a)
Particles made of three quarks.
(a)
How many quarks make up a baryon?
(a)
Which of the following is a baryon?
Electron
Photon
Proton
Neutrino
Quarks are never found alone; they must be combined with other quarks.
True
False
In the food web, FOOD is consouas the (a) producer.
