Combined Science Paper 1(AQA Physics) Training Exam Questions Answered Correctly.
4 views 0 purchase
Course
Combined Science
Institution
Combined Science
an object or group of objects - Answer system
_______ energy is the total kinetic energy and potential energy of all particles that make up a system - Answer internal
the idea that there is the same amount of energy befire and after it is transferred - Answer conservation of energy
...
Combined Science Paper 1(AQA
Physics) Training Exam Questions
Answered Correctly.
an object or group of objects - Answer system
_______ energy is the total kinetic energy and potential energy of all particles that make up a system -
Answer internal
the idea that there is the same amount of energy befire and after it is transferred - Answer
conservation of energy
energy cannot be ------- -- --------- - Answer created or destroyed
= 0.5 x mass x (speed)^2 - Answer kinetic energy
type of energy stored in a stretched spring - Answer elastic potential energy
= mass x gravitational field strenght x height - Answer gravitational potential energy
= force x distance - Answer work
the rate at which energy is transferred or the rate at which work is done? - Answer power
what is the unit for power? - Answer watt
1000,000 watts= - Answer megawatt
, 1000 watts= - Answer kilowatt
the amount of energy required to raise the temperature of one kilogram of the substance by one degree
celsius - Answer specific heat capacity
how to reduce unwanted energy transfer due heat loss - Answer thermal insulation
when a layer of gas is trapped between 2 layers of glass - Answer double glazing
the higher the ------- ------------ of a material the higher the rate of energy transfer by conduction across
the material - Answer thermal conductivity
=useful energy output / total energy input - Answer efficiency
how to reduce unwanted energy transfer due to friction of moving parts - Answer lubrication
an energy resource that is being (or can be) replenished as it is used - Answer renewable
an energy source that will run out and can't be replenished - Answer non renewable
1,000,000,000 watts - Answer gigawatt
sulfur dioxide causes this problem for the environment - Answer acid rain
burning coal produces this acid rain causing gas - Answer sulfur dioxide
fuels that remove the same amount of carbon dioxide as they produce are.... - Answer carbon neutral
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestSolver9. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
