The Mariana Trench - Answer- The Challenger Deep is the deepest surveyed location in the oceans. The Challenger Deep is located in
30 years - Answer- A sample contains 8 grams of a radioisotope that has a half-life of 10 years. How much time is required for the sample to decay until approximatel...
FTCE MIDDLE GRADES SCIENCE PRACTICE QUESTIONS The Mariana Trench - Answer- The Challenger Deep is the deepest surveyed location in
the oceans. The Challenger Deep is located in
30 years - Answer- A sample contains 8 grams of a radioisotope that has a half-life of 10 years. How much time is required for the sample to decay until approximately 1 g one gram of the isotope remains in the sample?
Balanced Chemical Equation - Answer- This is an example of Cl2 + 2 NaBr →→ Br2 + 2
NaCl
Stars - Answer- Which objects exerts the greatest gravitational force on another object located 5 million kilometers away?
Phospholipids - Answer- What are major structural components of plasma membranes?
sickle-cell anemia - Answer- In this recessively inherited disease that is caused by a mutated hemoglobin protein, a single base pair substitution in a hemoglobin gene leads to an amino acid substitution in the hemoglobin protein.
Mass on Earth equals Mass on Moon - Answer- The gravity on the Moon is 1/6 as strong as the gravity on Earth. With respect to the weight (W) and mass (M) of two identical bricks that are placed on the surfaces of Earth and the Moon, what is true about mass?
Nearby waterways undergo eutrophication. - Answer- What often occurs when water-
soluble fertilizers are spread on farmland?
eutrophication - Answer- Excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen
The concentration of hydrochloric acid - Answer- An investigation to study the factors that affect the rate of reaction is conducted. In an experiment, one calcium carbonate tablet each is added to equal volumes of hydrochloric acid with different concentrations. The mass of carbon dioxide gas produced over time is recorded. What is the independent variable in the experiment?
more - Answer- Cold air is ______ dense than warm air.
2 - Answer- The number of moles of atoms in 48.6 grams of Mg is
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 GEEKA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
