100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
NAS 2 CHALLENGE TEST Questions And Answers 100% Verified. $11.99
Add to cart
Quickly navigate to
Preview
  2.  
  3. NAS 2 CHALLENGE
  4.  
  5. NAS 2 CHALLENGE

Exam (elaborations)

NAS 2 CHALLENGE TEST Questions And Answers 100% Verified.
 0 purchase
  • Course
  • NAS 2 CHALLENGE
  • Institution
  • NAS 2 CHALLENGE

NAS 2 CHALLENGE TEST Questions And Answers 100% Verified. purpose of the scientific method - correct answer. an organized way to solve a problem or answer a question independent variable - correct answer. a variable that the researcher controls and is not affected by other varia...

[Show more]

Preview 2 out of 8  pages

Document information

  • October 16, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • nas 2 challenge test questions and answers 100 ve

Written for

  • NAS 2 CHALLENGE
  • NAS 2 CHALLENGE

Seller

avatar-seller
techgrades

Reviews received

Content preview

NAS 2 CHALLENGE TEST Questions And
Answers 100% Verified.


purpose of the scientific method - correct answer. an organized way to solve a
problem or answer a question

independent variable - correct answer. a variable that the researcher controls and is
not affected by other variables
ex: amount of water a plant receives

What are the steps of the scientific method? - correct answer. 1. question
2. Hypothesis
3. experiment
4. observation
5. analyze
6. conclusion

dependent variable - correct answer. a variable that depends on other factors or
variables
ex: how much the plant grows

control group - correct answer. group that does not receive any treatment and is used
to compare or measure the other subjects

experimental group - correct answer. group that receives treatment in an experiment

what are the six levels of organization - correct answer. chemical, cellular, tissue,
organ, organ system, organism

identify the requirements of life - correct answer. response to stimuli, reproduction,
metabolism, cellular organization, regulation, growth and development, homeostasis

, identify survival needs - correct answer. oxygen, nutrients, water, body temperature,
atmospheric pressure

define homeostasis - correct answer. body maintains a stable internal environment
while adjusting to external conditions

Receptor - correct answer. a sensor that monitors the environment and responds to
changes (called stimuli) by sending the information to the control center

control center - correct answer. determines the set point (level or range a variable is to
be maintained at), analyzes the information it receives, and determines the appropriate
response.

effector - correct answer. provides the means for the control center's response to the
stimulus

negative feedback mechanisms - correct answer. a feedback mechanism that slows
or stops a process. Reduces the effect of the stimulus which decreases productivity
ex: the control of blood sugar

positive feedback mechanisms - correct answer. a feedback mechanism that results in
the enhancement of the original stimulus so the activity is accelerated
ex: childbirth (if childbirth takes too long the life of the mother and baby are at risk)

protons - correct answer. positive, in the nucleus

electron - correct answer. negatively charged particle in the outer shell

neutron - correct answer. neutral charge, in the nucleus

number of protons is the same as? - correct answer. the number of electrons

what is the atomic number equal to - correct answer. number of protons (atomic
number is top left above atomic symbol)

atomic mass - correct answer. the same as the protons and neutrons added together
(at the bottom below atomic symbol)

characteristics of ionic bonds - correct answer. between metal and nonmetal, high
melting and boiling points, generally solid at room temp, hard/brittle, conducts electricity,
dissolves in water, gives up one or more electrons to another atom

characteristics of covalent bonds - correct answer. between nonmetal
only(metalloids), atoms share electrons, lower melting and boiling point, usually liquid
and gas at room temp, soft, not a conductor of electricity, insoluble (don't dissolve)

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 techgrades. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $11.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

69052 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling
$11.99
  • (0)
Add to cart
Added