An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
Ion
It is a scalar quantity that refers to "how fast an object is moving."
Speed
The smallest structural and functional unit of an organism.
Cell
The basic unit of an element.
Atom
A structure that is composed of two or more different types of tissues.
Organ
The ozone layer is a molecule made up of three _____ atoms. What element makes up the Earth's ozone layer.
Oxygen
It is the force by which a planet or other body draws objects toward its center.
Gravity
This branch of science is concerned with the study of plants.
Botany
A substance that cannot be broken down into simpler substances.
Element
This is the sum of all chemical reactions that take place inside the body.
Metabolism
A substance is made up of two or more elements.
Compound
The SI unit of work or energy, equal to the work done by a force of one Newton when its point of application moves one meter in the direction of action of the force.
Joule
A change of the DNA in an organism results in a new trait.
Mutation
An element or a compound is always considered to be this type of substance.
Pure Substance
It is the longest bone in the human body.
Femur
He is credited as the Father of the modern Periodic Table.
Dmitri Mendeleev
How long does it take for sunlight to reach the Earth?
8 minutes and 20 seconds
This famous French microbiologist created the process of pasteurization.
Louis Pasteur
Mass divided by volume.
Density
It is the largest part of the brain. It is responsible for memory, speech, the senses, and emotional response.
Cerebrum
An attractive and highly valued metal, with the symbol Au and atomic number 79. What element is this?
Gold
She was the first woman to win a Nobel Prize, in Physics and later on in Chemistry. She discovered the elements Radium and Polonium.
Marie Curie
It is described as the powerhouse of a cell.
Mitochondria
An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force. This is apart of Newton's First Law of Motion which is also considered to be the _____________________.
Law of Inertia
This structure of the digestive system is responsible for absorbing water from the remaining indigestible food matter and transmit the useless waste material from the body.
Large Intestine