The diaphragm is a system of muscles that allows ....? - ANSWER
Breathing
A convex mirror ... light waves,
A convex lens ... light waves. - ANSWER Diverges
Converges
The state of matter occurring at lower temperatures is the ... state -
ANSWER Solid
What is the difference bw physical change and chemical change? -
ANSWER A physical change may alter the form, size or shape of
matter; a chemical change alters its molecules.
,Put these in order to describe how blood flows from the heart to the
body: body, left atrium, right atrium, right ventricle, left ventricles, lungs
- ANSWER Right atrium, right ventricle, lungs, left atrium, left
ventricle, body
An acid gives up _____ charged hydrogen ions when dissolved in water.
- ANSWER positively
When genetic signals in a cell fail to tell it to stop reproducing, the
result may be - ANSWER cancer
A type of matter is classified as an element when _____ - ANSWER
It cannot be separated into different types of matter by ordinary
chemical methods
,The speed of light in a vacuum is approximately _____ meters per
second - ANSWER 300 million
What is inertia? - ANSWER The tendency of an object to
resist a change in motion
What is a vector quantity? - ANSWER a quantity defined by
both magnitude and direction
What formula is used to calculate velocity - ANSWER v = d/t,
where v = velocity (a vector quantity), d = displacement (a vector
quantity), and t = time
, Which two bodily functions are enhanced by calcium? - ANSWER
bone growth, muscle function
The Moon affects which activity on Earth? - ANSWER tides
The asteroid belt closest to the Earth lies between which two planets? -
ANSWER Mars and Jupiter
Define biosphere - ANSWER The biosphere consists of the
layers of Earth (crust, surface, atmosphere) where life naturally occurs.
Why are the four planets closest to the sun called the terrestrial planets
- ANSWER The composition of these planets is similar to that
of Earth.
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 a-grade. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.