Learning objective
(Physics only) Describe the Big Bang theory as the theory that the universe began from a very small region that expanded.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
5
Flashcards
7
Questions
Topic
Red-shift
Subtopic
Red-shift and evidence for an expanding universe
Study support
Understand this objective
Short explanation
Physics Only Describe The Big Bang Theory As The Theory That The Universe Began From A Very Small Region That Expanded (c8c81a) is revised through physics, only and describe. The exact objective is: (Physics only) Describe the Big Bang theory as the theory that the universe began from a very small region that expanded. In Red-shift, begin with the named situation from Red-shift and evidence for an expanding universe, then use the anchor vocabulary physics, only, describe, big, bang, theory, universe, began, very, small, region, expanded to keep the explanation distinct. If the task is a calculation, show the relationship, substitution, arithmetic and unit; if it is descriptive, identify the process and the physical consequence. This route is different from nearby objectives because it focuses on big, bang and theory, not a general Physics summary. Exam answers should finish by checking the boundary term and explaining why this objective uses those words.
Key concepts
Why it matters
This objective helps connect Red-shift and evidence for an expanding universe to exam-style questions, flashcards, and revision notes for Red-shift.
Common mistakes
1 linked- Red-shift and evidence for an expanding universe common mistake 1: Answer by clearly explaining how to (Physics only) Describe the Big Bang theory as the theory that the universe began from a very small region that expanded..
Revision tools
Choose how to practise
Flashcards5 linked cards
Flashcard 1 of 5
Practice Questions7 linked questions
Question 1 of 7
Choose an answer, get feedback, then move sideways through the set.
Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- (Physics only) Describe red shift as an increase in the observed wavelength of light from a galaxy.
Red-shift and evidence for an expanding universe
- (Physics only) State that light from galaxies moving away from Earth is shifted to longer wavelengths.
Red-shift and evidence for an expanding universe
- (Physics only) Explain that the further away a galaxy is, the faster it is moving away.
Red-shift and evidence for an expanding universe
- (Physics only) Explain that more distant galaxies show a greater red shift.
Red-shift and evidence for an expanding universe
- (Physics only) State that red shift provides evidence that the universe is expanding.
Red-shift and evidence for an expanding universe
