Sunscreen protects skin from which of these factors?
UV rays Click to see the answer
The study of optics is called what?
Bean curd is often called what?
Substances are made up of which of these?
What color is beryl when it includes chromium?
Which herb has needle shaped leaves?
Uranium was named after which of these planets?
Uranus Click to see the answer
A halibut is which of these?
Which of these best describes the climate in of the rain forrest?
Hot and wet
Glucose is best described as which of these?
Gluten iis which of these food types?
The maximom speed that a person can reach when falling is called what?
Where do grapes grow?
A kiwifruit's outer skin is which color?
How many oxygen atoms are present within the chemical compound carbon dioxide?
The flow of electrical charge is better known as what?
Current Click to see the answer
Which of these lights is best eployed for night vision?
Methamphetamine was first synthesized in Japan in 1894 by who?
Out of the following fruits, which has segments?
CO2 is the chemical formula for which of these gases?
Dried vanilla pods are what color?
Oranges grow in which of these locations?
On a tree
The most abundant pure element in the Earth's atmosphere is which of these?
Friction increases when which of these also increases?
Which of the options is a type of fungus?
LEDs emit which of these?
Leukemia sufferers have a too big a quanitity of what in their bodies?
White blood cells
Which element makes up the Ozone?
What part of the tree do cinnamon sticks come from?
Aloe vera is an extract of what?
Which color is in the middle of red and yellow in the rainbow?
Which of these can be in the form of a rocket or streak?
A whole bulb of garlic contains which of these?
21% of air is what up of which of these gases?
Which of these is the chemcial formula for hydrogen chloride?
Contrary to popular story, who produced the first vodka recipe?
A rainbow is formed with which two weather conditions?
Sun and rain
The neutron was discovered by which famous scientist?
Which of these fruit has small black seeds in it's core?
Which of these materials will float in water?
Which animals has close to UV vision?
Parrot Click to see the answer
Which of these are required to have a thunderstorm?
Warm and humid
The gravity on the moon is what fraction of the gravity found on planet Earth?
Giant thunderclouds called 'supercells' set off which of these?
Electron configuration was initially conceived by which of these models?
The tomato belongs to which family?
Atoms have no overall ______?
Charge Click to see the answer
One billionth of a meter is known by what name?
What is the cause of hair standing upright?
Protons and neutrons have roughly the same _______?
What gas is commonly used to inflate party ballons?
Bakelite is a early version of which of these materials?
Scientists that studies plants is called what?
Classical mechanics is better known as what?
Compounds that are formed from non-metals are called what
What type of protein is found in human hair?
Keratin Click to see the answer
Who discovered the electron in the year 1887?
Joseph John Thomson
Slope, precipitation and instability causes which of these?
Protons make up which of these?
Atoms joining together form what?
Sucrose is also known as what?
HCN is the molecular formula of which of these compounds?
Which scientist first discovered the existence of photons?
How many amino acids are in the human body?
Anvil, sheet and ribbon are types of what?
An antiparticle has the same mass as the particle but differing what?
The sun is how many times hotter than a lightning bolt?
Of these, which is a fundamental constituent of matter?
Quark Click to see the answer
Vitamin B is also called what?
Silicon dioxide is used iin which one of these household products?
Ylang-ylang oil is an extract of what?
X-rays can identify bone structure but which scientist discovered this?
Compounds formed from both metals and non-metals are collectively known by what name?
Soy flour is made from which of these?
The banana originated from where?
The hardness of materials is measured by what?
Caviar traditionally comes from which fish?
Metals can conduct which of these?
Which is the best thermal conductor?
Stainless steel knife
Ginger grows where?
As a root
Apache and Inca Dawn are types of what?
If a plant is saxicolous it will grow where?
In order to cut the time needed to identify victims of mass disasters, Japanese researchers have developed an automated identification system which uses what?
Dental x-ray matching system
The first organisms genetically engineered in 1970s were what?
Decaying radioisotopes emit which type of radiation?
Which of these contains mercury?
Saturated hydrocarbon is better known as what?
The term gamma rays was coined by which scientist?
The sharing of electron pairs between atoms is known as what in the field of chemistry?
After the explosion in Fukushima power plant in 2011, Japanese scientists found way to remove radiation from what?
Water and Soil
In the 1970s, which organism was first genetically engineered?
Petrol is made up of what type of compounds?
What is the correct name for a type of peach?
Singultus is a technical name for which of these?
Two protons and two neutrons bound together are commonly called what?
Alpha particle Click to see the answer
DNA strands are held together by which of these?
Which letter commonly expresses the speed of light?
The mass of the product in a chemical reaction always equals the mass of which of these?
A molecule that can act as an acid is best described as what?
The Fischer-Tropsch process is used with which of these?
Nonmetals form what kind of bonds?
Covalent Click to see the answer
The atomic number of an element is down to the number of what?
Which of these is a type of heather?
What unit is used to measure electricity?
On the Mohs scale, what is the softest mineral
Which colorless, odourless substance is the majoriy constituent of natural gas?
Entomologists study what?
Out of these waves, which has the most energy?
All objects emit and absorb which of these?
Atoms with the same atomic number but with different neutron numbers are commonly known as what?
Isotopes Click to see the answer
Which part of an atom are where the protons can be found?
The mass number of any element is represented as what?
Which of these is a correct statement about iron?
It can be magnetised
The only metal that is naturally antibacterial is what?
Proteins made up of which of these?
Adenine, thymine and cytosine are components of which of these?
The antiparticle of an electron is called what?
Radioactive material emit alpha and what other type of particle?
Which waves in the electromagnetic spectrum is the longest?
Applying heat to a solid imateiral in order to turn it into liquid is known as what?
The charge number of an element is usually represented as what?
The wavelength range of visible light is what?
Who claimed that light has a finite speed before anyone else?
The process of heating a solid in a liquid until it becomes part of the liquid is known as what?
The Haber process is used to make which of these?