MidTerm Exam Terms Flashcards
A negative result of either taking or not taking an action is what?
Cost
A good consequence of taking an action is what?
Benefit
The knowledge and understanding of scientific principles required for evaluating information, making personal decisions and taking part in public affairs is what?
Scientific literacy
Observations and conclusions that have repeated are what?
Evidence
An idea about a situation that is not supported by evidence is what?
Opinion
A public disagreement between groups with different views is what?
Controversy
The study of living things, including plants, animals, and microscopic life forms is what?
Life science
What is the study of Earth and its place in the universe?
Earth and space science
What is the study of energy, motion, sound, light, electricity, magnetism, and chemistry?
Physical science
What are the three main areas of science careers?
life science, earth and space science and physical science
What is mean?
Mean is the average of all numbers added.
What is the median?
Median is the middle number in numerical order.
What is mode?
Mode is the number value that occurs most often.
What is range?
Range is the difference between the largest and the smallest data.
Who is Rachel Carson?
She was a biologist who wrote about science and nature and discovered that DDT was poisonous.
What are the levels of organization?
Cells, tissues, organs and organ systems
Takes oxygen into the body and eliminates carbon dioxide - what system is this?
Respiratory system
Detects and interprets information from the environment outside the body and from within the body; controls most body functions - what system is this?
Nervous system
takes food into the body, breaks food down, and absorbs the digested materials - what system is this?
Digestive system
Carries needed materials to the body cells; carries waste away from the body cells; helps fight disease - what system is this?
Circulatory system
Strong connective tissue that attachs a muscle to a bone is called what?
Tendon
Strong connective tissue that holds together bones and a movable joint is called what?
Ligament
What are the types of joints?
The types of joints are: hinge, pivot, gliding, ball and socket
What are the motions of joints?
360 motion, one bone to rotate around another, extensive forward or backward, one bone sliding over another
The 26 small bones that make up a backbone are called what?
Vertebrae
The soft tissue that fills the internal spaces in bone is called what
Marrow
A connective tissue that is more flexibvle than bone and that gives support to some parts of the body is called what?
Cartilage
What is it when the body’s bones become weak and break easily?
Osteoporosis
What are the functions of the skeletal system?
1) provides shape and support
2) enables you to move
3) protects your internal organs
4) produces blood cells
5) stores certain materials until your body needs them
A muscle that is attached to the bones of the skeleton is called what?
Skeletal muscle
What is involuntary muscle found inside many internal organs of the body?
smooth muscle
What is muscle tissue found only in the heart?
Cardiac muscle
What are the functions of the skin?
1) The skin covers the body and prevents the loss of water
2) Protects the body from injury and infections
3) Helps to regulate body temperature
4 Eliminates wastes
5) Gathers information about the environment
6) Produces vitamin D
What is the epidermis?
The epidermis is the outer most layer of the skin.
What is the dermis?
The dermis is the lower layer of the skin.
A pigment that gives skin its color is what?
Melanin
A disease in which some body cells divide uncontrollably is called what?
Cancer
What nutrients are required in keeping your bones strong and healthy?
Calcium, phosphorous and vitamin D are important nutrients that keep bones and teeth healthy. These nutrients are found in dairy products and green leafy vegetables
