What country lies above Mexico?
U.S.A.
What is the smallest unit of a substance that retains the properties of that substance?
molecules
What is the most common element in the human body? ...
water
What is at the center of the Milky Way galaxy?
A black hole.
What is the coldest place on Earth?
anatartica
What are substances that control the rates of chemical reactions?
catalysts
Unlike most other fish, sharks have no ______? ...
bones
Who was the third astronaut to walk on the moon?
Pete Conrad.
What is the official currency of the United Kingdom?
Pound sterling
What type of charge does a neutron carry?
no
What is the scientific term for the production of light by living organisms?
bio luminescence.
How many stars make up the Big Dipper?
7 stars.
What are the names of the five oceans of the world?
Atlantic, Pacific, Indian, Arctic, and the Antarctic
What law states that the amount of heat needed to change one substance to another depends on the substances and not on the reactions involved?
Hess's law
What living animal has the heaviest brain?
sperm whale
How long does each season last on Neptune?
More than 40 years.
What is the capital of Canada?
Ottawa
Matter that does not enter chemical reactions is described as what?
inert
What human organ cleans fifty gallons of blood every day? ...
kidney
How far away is the nearest star, not the sun?
About 4.22 light-years from Earth.
What are the names of the seven continents of the world?
Asia, Africa, North America, South America, Antarctica, Europe, Australia
The temperature at which a gas becomes a liquid is its _____________?
condensation point
Which fruit is a hybrid of the pomelo and mandarin?
orange
Which planet has the largest ocean?
Jupiter
What country has the most natural lakes?
canada
What English chemist and physicist discovered hydrogen?
Henry Cavendish
What is the only human body part that can't repair itself?
Teeth
Which planets do not have a natural satellite?
All the planets in the solar system except Mercury and Venus have natural satellites.
What U.S. state is home to no documented poisonous snakes?
Alaska
What is the common term for an electro-chemical cell in which terminals are connected to electrodes immersed in a solution of electrolytes?
electrolytic cells
How many gallons of water can a baobab tree store in its trunk?
32000
who described Saturn’s rings as the “ears of a teacup?”.
Galileo.