Science Exam Flashcards
Atoms of all elements contain what three particles 
Protons, neutrons and electrons 
What type of charge does a neutron have? 
Neutral
What type of charge does an electron have? 
Negative 
What type of charge does a proton have?
Positive
What two particles are found within the nucleus
Protons and neutrons
What does the atomic number represent? Where is it found?
The number of protons in the element 
What does the atomic mass represent? Where is it found?
Protons + neutrons 
The physical properties of an element describe what six things 
Color shape, size harness mass and melting point 
What is the chemical properties of an element described?

 how is substance reacts with other types of matter
What is the limit of electrons in the first level closest to the nucleus? 
Two
The fourth state of matter is
Plasma
What is an example of plasma?
Lightning
Why do welders wear protective gear?
To protect their eyes and skin 
What is the name of the early device that showed the changes in temperature? 
The thermoscope 
Who invented the thermoscope? 
Galileo Galilei
What did Daniel Fahrenheit initially create?
 a mercury thermoscope
With the Fahrenheit scale, what temperature does water freeze? Water boils?
It freezes at 32°, and Boyles at 112° 
What did Andreas Celsius create? 
Celsius scale 
With the Celsius scale, what temperature does water freeze? Water boils?
It freezes at 0°, in Boyles at 100° 
Sarah, William Thompson, a.k.a. Lord Kevin designed what scale 
The absolute zero scale 
Name the three philosophers who helped formulate the laws of motion
Galo, Newton in Aristotle 
What is newton’s first law of motion? 
An object at rest tends to stay at rest and an object in motion tends to stay in motion, unless acted upon by an outside force 
What is newtons second law of motion 
force is the mass of the object multiplied by acceleration 
What is newtons third law of motion?
For every action there’s an equal and opposite reaction
What does interior of an object depend on? 
Mass
Name the two ways to describe the movement of an object
Speed and velocity 
What is the mathematical formula to calculate speed? 
Speed equals distance / time 
What is velocity? 
The measure of an object, speed, and direction 
What is acceleration?
 The change in an objects velocity over a period of time 
What is the mathematical formula to calculate acceleration?
Speed equals distance /  time 
Does water have high or low heat capacity?
High heat capacity
Name the three ocean water movements 
Tides, waves, and currents 
How many times daily do ocean tides alternate?
Twice
What are tsunamis?
The waves that are due to cinematic activity and cause a large amount of water to be moved 
Why are water levels important?
Predicting tsunamis and storm surges, navigating ships through the water and coastal engineering and charting the seafloor 
Define current 
Continuous flow of ocean water In a certain direction
What is the Cornelius effect?
A result of earths rotation, which causes ocean and wind currents too specific patterns 
 What is a gyres
Wins that cause currents to flow in a circular motion
What is a rip current? 
A strong flower of waters that return the word perpendicular to the shore
How do you escape a rip current? 
Swim parallel to the beach and remain calm
How many major body systems are there there?
11
The cardiovascular system is the blank blank system of the body
Major transitory
The respiratory system includes
The trachea, lungs, and diaphragm
Bronchi branches off into smaller passageways until blank is form
Alveoli
But covers approximately how many miles of the human body
12,000 miles
Then digestive system includes what organs
The mouth, esophagus, stomach, small, intestines, large, intestines, rectum, and anus 
Food enters the blank
Mouth
What age in the chemical digestion?
Saliva helps moist in the food particles, making food easier to swallow
Food mixes with blank and blank
Stomach acid and enzymes
Can you help filter the blank from waist and toxins
Blood
Describe a heart murmur 
When a heart valve does not close tightly and allows a backflow of blood
What is paralysis?
The muscular contractions that move food through the digestive track
Name some things that are dependent on the muscle action
Running, jumping, blinking the eyes, and breathing
What are three types of muscle tissue?
Skeletal, smooth and cardiac
How many skeletal muscles are attached to the bones of the skeleton?
650
What is a tendon?
The connective tissue that attaches muscle to bone
Name the three function of skeletal muscles
How old the skeletons together, get the body shape, and provide the force to move bones
Smooth muscles line what apart from the body 
Lines, the digestive, track, blood vessels, bladder, and other internal organs
Do muscles move, involuntary or voluntary
Involuntary
Where is the cardiac muscle found?
In the heart
What things can stress on the heart lead to 
Periodic pulse rates, chest pain, and enlarged heart and heart failure
What does vitamins A and C Enhance
The bodies immunity
Why are Carneys harmful to the human body? 
They have cancer, causing agents in them 
What helps to build strong muscles and bones? 
Constant exercise 
Where are good exercises that help build bone mass?
Walking, jogging, hiking, climbing, stairs, playing sports, skiing, and weight training 
What is dendrite
Transmits information toward the cell body 
What is a neurotransmitter?
And your impulse crosses a snap with the aid of chemical messengers 
 What are meso cramps a result of?
Electrolyte imbalance
Defined the following cooking methods poanch and bake 
Involves water or liquid just under the boiling point, cooking food in a pan or dish with or without a lid 
Names three unhealthy cooking choices 
Fry, deep, fry, and cream 
What does an imbalanced diet include 
Includes six nutrients, water, proteins, carbs, fat, oil, vitamins, and minerals
A poor diet and lack of exercise increases the race for
Developing diseases and obesity 
Protons are made up of smaller units called 
Proteins 
Fats and oils are awesome known as
Lipids
What are the two types of carbohydrates? 
Sugars and starches 
What are unsaturated fats
Certain facts found in vegetable oil, nuts, whole grains, and fish are beneficial if eating in moderate amounts
What two things will century persons muscle
Shrink, and the number of fat cells will increase 
Why is moderation important 
It helps us when choosing what to eat in over consumption of foods that will cause health issues if they are consumed in large quantities 
What four components does blood consist 
Red and white blood cells, plasma, and plates
Name two weight-bearing exercises
Running and walking 
