Basic Needs/ Volcanoes Flashcards
3 things that water does for our body
Control body temp
Transports oxygen to cells
Allows nutrients to travel through our bodies
Exchange of gases.
Breathing in oxygen and expelling carbon dioxide (waste)
3 things that food does
Fuels our bodies
Gives us energy
Help our body function properly
Keeps blood circulating
What of our bodies are water
50-70%
What is hypothermia
When our body gets too cold- body core temp lowered severely
How does proper air pressure help our bodies
Balancing air pressure inside our bodies
Helps us to inhale and exhale
Prevents blood from boiling
Allows certain gases to dissolve in our blood
Too little sunlight has an effect on us
It can effect our sleep, appetite and mood
What effects does too much sunlight have
Cause skin cancer
Eye diseases
Effect bodies ability to fight infection
Why do we wear clothes when it’s cold
Heart and lungs need constant temp (near room temp)
What is O2
Oxygen
What is CO2
Carbon dioxide
What 5 things do you need to survive
Air Water Food Moderate temp Proper air pressure Source of light
What is circadian rhythm
It keeps our bodies clocks working smoothly and it depends on natural light
What is a volcano
A crack or hole in earths crust- deep into earths core
What is the name of the blistering hot substance that is deep in volcano
Magma
Why is magma hot
Because it’s under extreme pressure
What do you call the area that holds the magma
Magma chamber
What do we call magma as it cools down when it hits the earths surface
Lava
What comes out of a volcano when it erupts
Rocks
Gas
Lava
Name 3 types of volcanoes
Cinder cone- made up of ash
Shield - made of lava
Composite- of both
What is a volcanologist
Scientist that studies volcanoes
What is a caldera
When volcanoes top blows off and you are left with an empty magma chamber
What is a tsunami
a long high sea wave caused by an earthquake, submarine landslide, or other disturbance.
Why does a volcano erupt
Intense pressure build up below the earths crust