Organic Compounds and Ozone Depletion
Ozone is present in which layer of atmosphere?
stratosphere
Which are the two planets on solar system with water?
Earth and Mars
A person who studies volcanoes.
volcanologists
Robert Hooke published his __________ in 1665 which contained numerous illustrations of tiny insects such as fleas, flies, and lice on a scale that no one had ever seen before.
Micrographia
O3
What was used in the landing procedure of Pathfinder?
wrapping in airbags
Name the two branches of natural science.
Physical science and life science
What was the main goal of Kepler spacecraft?
To see how many other earth sized planets are there in the Universe.
Why is UV radiation harmful?
Because it can cause skin cancer.
What is the purpose of MSL?
to find whether life was possible on Mars.
To collect data about climate and geology on Mars.
Who are the scientists that work to improve the quality and yield of crops?
agronomists
Who was the first to observe and describe single-celled organisms?
Antoine van Leeuwenhoek
What is the purpose of the ozone layer?
to absorb the UV radiation
Why MSL landing procedure plan was more complex than previous missions?
MSL is heavier than earlier rovers
Which branch of science is called the central science?
chemistry
Who studied cork samples and coined the word "cell" as the basic unit of living things.
Robert Hooke
What is the reason behind ozone depletion?
Uses of CFCs in air conditioners and refrigerators.
Explain "7 minutes of terror."
When MSL landed, no one on Earth knew if the landing was successful until after it was over. NASA referred to the wait as "seven minutes of terror".
What is the study of fossil remains of plants and animals called?
paleontology
Which is the only scientific instruments abroad Kepler space craft?
photometer or light meter