What is the layer in the earth's atmosphere at 15-30 km altitude called in scientific terms?

What was Toyota's first popular hybrid car called?

What general name is also given to natural satellites?

Who invented the first engine-powered airplane?

What are the two major elements making up the sun?

Who was the first woman in space?

The smallest bones in the body are located where?

What is the name of the scientific tool used to view the smallest parts of things?

What does a caterpillar morph into?

What scientific unit is used to measure mass?

What is the voltage of a AAA alkaline battery?

What is the name for the narrow part in the middle of a standard hour glass?

Who is the Taiwanese-born, Stanford-educated co-founder of Yahoo?

What is a mixture of gasoline and ethanol called?

Distance equals speed times what?

What is it called when an object makes a full circular rotation?

What element does hydrogen combine with to make the compound water?

What word is best described by "irregular beat of the heart or other muscle"?

Electrons flow through a circuit from a power source and return to the power source via what?

A unit of measure of absorbed radiation is known as what?

Based on Kepler's first law, the path of a planet is defined as what shape?

How many volts are in a kilovolt (kV)?

What is a character encoding scheme used by many computers called?

At what temperature does water first boil?

What is force that resists the separation of two bodies in contact called?