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Science Questions

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Total questions: 72733

Why would the water in a swimming pool or lake feel warm when the air outside is cool?
Popularity: 28

What is a burette and how is it used?
Popularity: 28

How does the mechanical alarm clock work?
Popularity: 28

What is the environmental degradation?
Popularity: 28

How is oxygen stored in oxygen tanks?
Popularity: 28

What is Percentage of different soils in india?
Popularity: 28

What is the instrument that measures air pressure?
Popularity: 28

How does fabric heat water?
Popularity: 28

What is helium used in?
Popularity: 28

What are examples of Bernoulli's theorem?
Popularity: 28

What are the benefits of the microorganism?
Popularity: 28

Do the pheromones of human sisters smell the same?
Popularity: 28

What is the physics behind the operation of a horn?
Popularity: 28

How does air temperature and air pressure affect a basketball's bounce?
Popularity: 28

Is an IQ of 115-120 normal for a 15 year old?
Popularity: 28

How do you find the delta temperature of water in celcius degrees?
Popularity: 28

How long is the Atlantic hurricane season?
Popularity: 28

What is mercury's well known feature?
Popularity: 28

How do you grow an avocado seed?
Popularity: 27

Why is it important to be familiar with the laboratory apparatus and their uses?
Popularity: 27

What is an analogy for Mitochondria?
Popularity: 27

How does the digestive system work with the nervous system?
Popularity: 27

What type of energy are you measuring when you measure all the energy related to an object's motion and all the energy of the atomic and molecular particles that make up the object?
Popularity: 27

What are the four chambers of the heart?
Popularity: 27

If curly hair is genetic why do you have curly hair if none of your ancestors did?
Popularity: 27

Why does it take longer to heat a bucket of water than a cup of water?
Popularity: 27

Can drugs be transfered to animals through human contact?
Popularity: 27

What did Archimedes do?
Popularity: 27

What are the secondary colors?
Popularity: 27

Definition of independent variable and controlled variable?
Popularity: 27

Has NASA built a space suit suitable for life on Mars?
Popularity: 27

Is diabetes infectious?
Popularity: 27

What are the odds of rolling five ones with five dice?
Popularity: 27

Is it safe to put a plant inside a bedroom?
Popularity: 27

What is marine wealth?
Popularity: 27

What absolute proof is there for the theory of evolution?
Popularity: 27

Can something be created from nothing?
Popularity: 27

What is the definition for Qualitative Observation?
Popularity: 27

Why is the density of water heavier than the density of alcohol?
Popularity: 27

What is a graduated cylinder and how is it used?
Popularity: 27

What are forceps and how are they used?
Popularity: 27

What is an evaporating dish and how is it used?
Popularity: 27

What are the major layers that make up the geosphere?
Popularity: 27

What is a platform balance and how is it used?
Popularity: 27

Did Darwin ever say that he was wrong for coming up with the theory of evolution?
Popularity: 27

What is a social phenomenon?
Popularity: 27

Why can fingerprints be used as evidence in a court?
Popularity: 27

What are the worst greenhouse gases and why?
Popularity: 27

How many milliwatts per lumen?
Popularity: 27

Why does rock salt kill?
Popularity: 27

How does LSD affect the brain and neurochemistry?
Popularity: 27

What are the best educational DVD sets for science history and religion that have strong intelligent content and not simple gradeschool videos?
Popularity: 27

What is a cross country pipeline?
Popularity: 27

What is an analogy for mitochondrial DNA?
Popularity: 27

When and how will science fully understand the function of dreams?
Popularity: 27

What are some helpful microorganisms?
Popularity: 27

Why would the weight of the ball affect the terminal velocity?
Popularity: 27

What liquid is most harmful to human bones Coca-Cola lemon juice vinegar water milk tomato juice ice tea?
Popularity: 27

How do you calculate the effort necessary to lift a certain load with a specific size lever and a given placement of the fulcrum?
Popularity: 27

If it were not for air resistance why would it be dangerous to go outdoors on rainy days?
Popularity: 27

Why don't people stutter when they sing?
Popularity: 27

How does a plane fly?
Popularity: 26

Some places have 120 Volts and others 240 Volts What is the advantage of one over the other?
Popularity: 26

What is the 'string' theory?
Popularity: 26

What does environment mean?
Popularity: 26

What is primitive science?
Popularity: 26

What are the branches of science?
Popularity: 26

What a test tube brush and how is it used?
Popularity: 26

If you could drill a hole through the Earth from the central US all the way through to somewhere in China at what point would you stop falling and start climbing?
Popularity: 26

What are micro-organisms called without which animals and plants would not live?
Popularity: 26



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