Skip to content
Get Revising
Search:
Keyword:
Go
Subject
Resource type:
Resource type (all)
Flashcards
Revision cards
Revision notes
Quizzes
Mindmaps
Crosswords
Organise your thinking
Quizsearches
Shared resources
Join
Join Get Revising
Start learning now
Already a member?
Please sign in
Email address
Password
Forgotten your password?
Remember my details
Log in
Create
GCSE
A Level & IB
University
Study planner
Past papers
For teachers
More cards in this set
Card 16
Front
What is the principle frequency of all objects?
Back
Card 17
Front
What does the Earth's atmosphere allow?
Back
Card 18
Front
What does radiation do to the Earth's surface?
Back
Card 19
Front
what is the greenhouse effect?
Back
Card 20
Front
What are the greenhouse gases in the Earth's atmosphere?
Back
Card 21
Front
What could global warming result in?
Back
Card 22
Front
Why can electromagnetic radiation of some frequencies be used for transmitting information?
Back
Card 23
Front
What happens to information so it can create a signal?
Back
Card 24
Front
Which signal can vary continuously?
Back
Card 25
Front
What is a digital signal?
Back
View more cards
