The epiglottis prevents food from entering the trachea during swallowing.
What is the name of the galaxy that contains our solar system?
What is the chemical formula for sulfuric acid?
What is the name for the phenomenon where a wave bends as it passes from one medium to another at an angle?
Which space mission successfully landed the first humans on the Moon in 1969?
What is the name of the bright, reddish star located in the constellation Orion and known as the "hunter's shoulder"?
Which famous comet, with a period of about 76 years, was last seen in 1986 and won't return until 2061?
Which space mission discovered the first evidence of liquid water on Mars, suggesting the possibility of past life?
Which moon of Saturn is known for its unique two-tone appearance, with one hemisphere being reddish and the other being bright white?
What law of motion states that for every action, there is an equal and opposite reaction?
What is the force that opposes the motion of objects through a fluid (liquid or gas)?