Made of one type of atom. Some examples are H, O, N...
What is an element?
100
This is the name of the two-word system used to name various species.
What is binomial nomenclature?
100
Protection, sensory response, formation of vitamin D, regulation of body temperature and ridding the body of wastes.
What are the five major functions of the skin?
100
This treatment is available for patients with kidney failure.
What is the use of a dialysis machine?
100
Any living this is called this.
What is an organism?
200
Sodium metal and chlorine gas react together to produce this edible substance.
What is sodium chloride or table salt?
200
Living things need three things to survive...a place to live, food, and most living things are composed of at least 50% of this substance.
What is water?
200
This must happen to make your bones move.
What is the muscles must contact?
200
This body system works with the circulatory system to provide muscle cells with oxygen and includes the pharynx, larynx, and trachea.
What is the respiratory system?
200
The regulation of an organism's internal, life-maintaining condition despite changes in its environment is called this.
What is homeostasis?
300
When a spoonful of sugar is stirred into a cup of hot tea, what happens to the sugar?
What is it dissolves?
300
The cells of plants, algae, fungi, and most bacteria and enclosed by this structure, which is not found in the animal cell.
What is the cell wall?
300
This body system is most involved when a person feel’s pain.
What is the nervous system?
300
True or False? Organ systems work together to perform life functions.
What is true?
300
The evolutionary history of an organism is know as this.
What is phylogeny?
400
According to the chemical formula H20, what is the composition of a water molecule?
What is two hydrogens and one oxygen?
400
Most many-celled organisms are organized into tissues, organs and this.
What is organ systems?
400
This body system gives shape and support to the body, protects your internal organs, and blood cells are formed in the red marrow here.
What is skeletal system?
400
This waste is eliminated by both the respiratory and excretory systems.
What is carbon dioxide?
400
When conducting an experiment, one must make an 'educated guess' about the outcome of the experiment. One would call this statement that can be tested by experimentation or observation as this.
What is the hypothesis?
500
The easiest way to separate a mixture of iron filings and sand would be this.
What is use a magnet to separate the iron filings from the sand because the iron filings are magnetic and will stick to the magnet and the sand will not.
500
This organelle is known as the 'powerhouse' of the cell because they release energy that is needed by the cell.
What is mitochondria?
500
Facial expressions generally are controlled by this type of muscle movement, while our heart is controlled by this type of muscle movement.
What is voluntary muscle and involuntary muscle?
500
This body system sends chemical messages (hormones) in your blood that affect specific tissues.
What is the endocrine system?
500
A scientific theory is an explanation for many observations and is supported by a mountain of evidence and a scientific law is a description of an event that happens again and again.
What is how a scientific theory is different than a scientific law?