Answers by Educators Question Database

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Which of the following is a way to produce heat?
On a very cold day, people can often be seen rubbing their hands together. Why do people do this?
Boris rides his bicycle at a high speed, then stops suddenly using the brakes. After his ride, Boris feels the rubber on the tires of his bicycle. The rubber feels warm. What, most likely, is the source of this heat?
Which of the following types of energy can be changed into heat?
Of the following things that produce heat, which needs fuel?
Why do people put insulation in the walls and ceilings of their homes?
What is the definition of an insulator?
Insulation is used in many places. It is used in refrigerators and freezers, in the walls of homes, and even in clothing. In which of the following clothing items would insulation be the most useful?
Jack and Jill poured hot chocolate from the same container into different thermoses. At lunch time, the temperature of Jack's hot chocolate was 80° F. The temperature of Jill's hot chocolate was 85° F. Whose thermos has better insulation?
What keeps the Earth's oceans from freezing?
of or pertaining yo jesuits a male roman cathlic religious order
of or pertaining to the delusionin which one imagines oneself to be a wolf
a single step or degree in a process
any specified division or portion of time
brought up or reared
large animals that are similar to dogs and that often hunt in groups
a feeling of confusion, doubt, or nervousness caused by being in place such as a foriegn country that is very different from what you are used to
the state of being out of place
avoioded deliberately and especialy habitually
hairy, shaggy
muscular; strong
crudity of style, taste, expression
a place where bees are kept
a member of some christian churches
a rope with a loop
excluded, by general consent
any condition or place of temporary suffering
any broken form of language
judge worth or quality, estimate the extent of something
unbiased, neutral, impartially
racist, slang term for an african-american
wicked, against the rules, the quality of not acting within standards of rights or good behavior
symbolic gesture, empty gesture, sweet talk
hardship, injustice, cruelty, tyranny
gradually changing, progressive, advancing
Automatic, without, thought or planning
unskilled low in rank, in the service industry
General, Having a wide range
Which of the following is true about the euglena, amoeba and paramecium?
Which organelle is used to transfer energy and can also be found in an animal cell?
Which organelle is used to control the cell?
The cell membrane is unable to function properly. How could this affect plant and animal cells?
Which best summarizes organ systems?
Which function summarizes the excretory system?
How do the respiratory and circulatory systems work together?
A scientist noticed that all of the offspring of the yeast fungus are identical to the parent. However, the offspring of a cat all look different. What most likely caused this to occur?
How does mitosis compare to meiosis?
Sarah's family has a long history of people who have developed diabetes. Which lifestyle change should she make to try and prevent becoming diabetic?
How does smoking cigarettes affect the body?
n rabbits, black fur (B) is dominant to brown fur (b). Which of the following represents the genotype of a heterozygous black rabbit?
f a heterozygous black rabbit and a brown rabbit were crossed, what is the probability that their offspring will be brown?
Why does air pressure decrease from the troposphere to the exosphere?
How does the temperature of the stratosphere compare to the mesosphere?
Which occurs in high­-pressure systems?
If the temperature drops in Charlotte, which of the following most likely happened?
Which condition would create the most water vapor?
How does the convection of air produce thunderstorms?
Which best explains how the Coriolis effect influences weather conditions?
Why is it important for the United States to monitor air pollution levels in other countries?
What is the correct order for the water cycle?
On Mount Everest the temperature decreases as the altitude increases. The summit of this mountain is in which atmospheric layer?
Which of the following is the final destination for runoff that flows on the surface of the continents?
Over which of the following components of smog do humans have the least control?
Scientists monitor ozone in the upper atmosphere and at ground level. Changing concentrations of each can cause health problems for people. Which set of changes would cause the most health concerns?
A strong wind from the north blows in a straight south direction. However, to an observer, the wind appears to be moving to the southwest. What accounts for this shift in wind direction?
Which of the following best describes a fossil?
Which of the following parts of an animal is most likely to become a fossil?
What is a scientist that studies fossils called?
True or False? We cannot learn anything by studying fossils.
Which of the following can become a fossil?
True or False- Fossils only teach us about dinosaurs.
What type of rock are most fossils found in?
Which of theses things is NOT a fossil?
Which organism is MOST likely to form a fossil?
Fossils are usually found in ...
A mí ______ gustan las frutas.
A Carlos _____ gusta la pizza.
Me ________ mucho los deportes.
No, no me _______ la música de Justin Bieber. Es horrible.
Sí, me gustan las películas de amor, son ______________.



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