Sunscreen protects skin from which of these factors?

UV rays Click to see the answer

The study of optics is called what?

Light

Bean curd is often called what?

Tofu

Substances are made up of which of these?

Atoms

What color is beryl when it includes chromium?

Green

Which herb has needle shaped leaves?

Rosemary

Uranium was named after which of these planets?

Uranus Click to see the answer

A halibut is which of these?

Fish

Which of these best describes the climate in of the rain forrest?

Hot and wet

Glucose is best described as which of these?

Sugar

Gluten iis which of these food types?

Protein

The maximom speed that a person can reach when falling is called what?

Terminal velocity

Where do grapes grow?

On vines

A kiwifruit's outer skin is which color?

Brown

How many oxygen atoms are present within the chemical compound carbon dioxide?

2

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?

Infrared

Methamphetamine was first synthesized in Japan in 1894 by who?

Nagayoshi Nagai 

Out of the following fruits, which has segments?

Tangerine

CO2 is the chemical formula for which of these gases?

Carbon dioxide

Dried vanilla pods are what color?

Black

Oranges grow in which of these locations?

On a tree

The most abundant pure element in the Earth's atmosphere is which of these?

Nitrogen

Friction increases when which of these also increases?

Speed

Which of the options is a type of fungus?

Mushroom

LEDs emit which of these?

Light

Leukemia sufferers have a too big a quanitity of what in their bodies?

White blood cells

Which element makes up the Ozone?

Oxygen

What part of the tree do cinnamon sticks come from?

Bark

Aloe vera is an extract of what?

Plant

Which color is in the middle of red and yellow in the rainbow?

Orange

Which of these can be in the form of a rocket or streak?

Lightning

A whole bulb of garlic contains which of these?

Cloves

21% of air is what up of which of these gases?

Oxygen

Which of these is the chemcial formula for hydrogen chloride?

HCl

Contrary to popular story, who produced the first vodka recipe?

Isidore

A rainbow is formed with which two weather conditions?

Sun and rain

The neutron was discovered by which famous scientist?

James Chadwick

Which of these fruit has small black seeds in it's core?

Papaya

Which of these materials will float in water?

Balsa

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?

Sixth

Giant thunderclouds called 'supercells' set off which of these?

Tornado

Electron configuration was initially conceived by which of these models?

Bohr model

The tomato belongs to which family?

Nightshade

Atoms have no overall ______?

Charge Click to see the answer

One billionth of a meter is known by what name?

Nanometre

What is the cause of hair standing upright?

Static

Protons and neutrons have roughly the same _______?

Mass

What gas is commonly used to inflate party ballons?

Helium

Bakelite is a early version of which of these materials?

Plastic

Scientists that studies plants is called what?

Botanist

Classical mechanics is better known as what?

Newtonian mechanics

Compounds that are formed from non-metals are called what

Molecules

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?

Avalanche

Protons make up which of these?

Light

Atoms joining together form what?

Compounds

Sucrose is also known as what?

Sugar

HCN is the molecular formula of which of these compounds?

Hydrogen cyanide

Which scientist first discovered the existence of photons?

Max Planck

How many amino acids are in the human body?

21

Anvil, sheet and ribbon are types of what?

Lightning

An antiparticle has the same mass as the particle but differing what?

Charge

The sun is how many times hotter than a lightning bolt?

3

Of these, which is a fundamental constituent of matter?

Quark Click to see the answer

Vitamin B is also called what?

Folic acid

Silicon dioxide is used iin which one of these household products?

Toothpaste

Ylang-ylang oil is an extract of what?

Tree

X-rays can identify bone structure but which scientist discovered this?

Wilhelm Rontgen

Compounds formed from both metals and non-metals are collectively known by what name?

Ions

Soy flour is made from which of these?

Soybean

The banana originated from where?

Southern Asia

The hardness of materials is measured by what?

Mohs scale

Caviar traditionally comes from which fish?

Sturgeon

Metals can conduct which of these?

Electricity

Which is the best thermal conductor?

Stainless steel knife

Ginger grows where?

As a root

Apache and Inca Dawn are types of what?

Potato

If a plant is saxicolous it will grow where?

On rocks

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?

Bacteria

Decaying radioisotopes emit which type of radiation?

Gamma-rays

Which of these contains mercury?

Tuna

Saturated hydrocarbon is better known as what?

Alkane

The term gamma rays was coined by which scientist?

Ernest Rutherford

The sharing of electron pairs between atoms is known as what in the field of chemistry?

Covalent bonding

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?

Mouse

Petrol is made up of what type of compounds?

Hydrocarbons

What is the correct name for a type of peach?

Elberta

Singultus is a technical name for which of these?

Hiccups

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?

Base Pairing

Which letter commonly expresses the speed of light?

c

The mass of the product in a chemical reaction always equals the mass of which of these?

Reactants

A molecule that can act as an acid is best described as what?

Amphoteric

The Fischer-Tropsch process is used with which of these?

Alkanes

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?

Protons

Which of these is a type of heather?

Erica

What unit is used to measure electricity?

Volt

On the Mohs scale, what is the softest mineral

Talc

Which colorless, odourless substance is the majoriy constituent of natural gas?

Methane

Entomologists study what?

Insects

Out of these waves, which has the most energy?

Gamma rays

All objects emit and absorb which of these?

Infrared radiation

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?

Nucleus

The mass number of any element is represented as what?

A

Which of these is a correct statement about iron?

It can be magnetised

The only metal that is naturally antibacterial is what?

Copper

Proteins made up of which of these?

Amino acids

Adenine, thymine and cytosine are components of which of these?

DNA

The antiparticle of an electron is called what?

Positron

Radioactive material emit alpha and what other type of particle?

Beta

Which waves in the electromagnetic spectrum is the longest?

Radio

Applying heat to a solid imateiral in order to turn it into liquid is known as what?

Melt

The charge number of an element is usually represented as what?

Z

The wavelength range of visible light is what?

400-700nm

Who claimed that light has a finite speed before anyone else?

Empedocles

The process of heating a solid in a liquid until it becomes part of the liquid is known as what?

Dissolving

The Haber process is used to make which of these?

Ammonia