What are the main layers of the Earth called?
Crust, Mantle, Outer Core, Inner Core
What are gills?
respiratory organs of fish and other water creatures. Gills allow fish to breathe under water.
Name at least 2 features of a river
Source, Tributary, Meander, Confluence, Oxbow Lake, Levee, Delta, Channel, Estuary, Mouth
What is a habitat?
the place in which an animal normally lives and grows. It can be a small micro-habitat like a leaf, or large like an ocean
A mallard duck is what type of water bird?
Swimmer
What is buoyancy?
the force that pushes an object up when it is in a liquid or a gas
The thick outer surface of the Earth or another planet
Crust
What is a waterfall?
a place where water flows over the edge of a cliff, rock, or other steep place onto another level below
What is an ecosystem?
an interaction of plants and animals within an environment, the relationship between plants and animals in a habitat
What is a bay?
an area of the coast where the land curves inward
What are the key features of a bird?
warm-blooded vertebrate with two legs, wings, feathers and a beak/bill
Define suited
Suited (adj): right for a particular purpose or situation; having all the qualities that are needed to do something
What is a lake?
a large area of water that is completely surrounded by land
What is an invertebrate?
an animal without a backbone
What is a metamorphic rock?
a metamorphic rock forms when other rocks are heated and smashed together creating a new type of rock
What is soil?
the material on the surface of the ground in which plants grow
What is air resistance?
a type of friction between air and an object
What is a river bank?
a raised area of land along the side of a river
What are the key features of a fish?
a cold-blooded vertebrate that lives in water; it typically has gills, fins, and lidless eyes
A flamingo is what type of water bird?
Wader
What is collection?
regarding the water cycle, collection is when water that falls as precipitation is stored, in oceans, rivers, lakes, streams, etc.
What is precipitation?
rain, snow, sleet or hail that falls to the ground
What is adaptation?
the ability that plants and animals have to change and make themselves especially suitable for living in a particular
What is drag?
the force of the air (or liquid) that acts against the movement of an object or animal
What is the layer of Earth between the crust and core?
Mantle
What is erosion?
wearing away or reducing something by the friction of water, wind, or other factors
Name at least 3 bodies of fresh water
Lake, pond, river, stream, waterfall, glacier
What are the names of the starting and ending points of a river?
Source and Mouth
Define meander
Meander (verb): following a route that is not straight or direct
Name at least 1 adaptation that makes fish suited to aquatic habitats
gills to breathe, lidless eyes to see, fins to swim, streamlined body that creates less drag while swimming
What is the liquid layer of the Earth between the solid inner core and the mantle?
Outer Core
What is a diorama?
a model that shows a situation, such as a historical event or animals in their natural environment, in a way that looks real
What are the 3 main types of water birds?
Swimmers, Divers, Waders
What is condensation?
the changing of vapor or gas into a liquid by cooling.
A penguin is what type of water bird?
Diver
What are the 4 steps of the water cycle?
Collection, Evaporation, Condensation, Precipitation
What is a vertebrate?
an animal with a backbone
What is a river?
a large area of water that flows toward the ocean
What is the difference between a habitat and an ecosystem?
A habitat is the physical place where plants and animals live, an ecosystem is more about the ways plants and animals in a habitat interact with each other
What is a tributary?
a river or stream that flows into a larger river
What is the hot, dense ball of mostly iron deep inside the Earth?
Inner Core
What is a river confluence?
a place where two rivers join
What is an igneous rock?
igneous rocks are formed from lava or magma from volcanos that becomes solid as it gets cold. Granite and basalt are igneous rocks.
What is the course of a river?
the direction a river flows, usually from higher altitude down to sea level
What is sedimentary rock?
a sedimentary rock is a type of rock that is formed from eroded bits of other rocks, called sediment, that are layered and pressed together over time.
What is the mouth of a river?
the place where a river is widest and joins the ocean
What is friction?
the force that makes it difficult for one object to slide along the surface of another or to move through a liquid or gas
Name two bodies of salt water
Sea and Ocean
What is a pond?
an area of water similar to a lake but smaller
What is climate?
weather conditions over time in an area
What is gravity?
the force that pulls objects towards it's center
What is the largest habitat on Earth?
Ocean
What is a stream?
water that flows naturally along a fixed route formed by a channel cut into rock or ground; like a small river
What is a wetland?
low land that is often covered with water from the lake, river, or ocean next to it
What is a river bed?
the ground at the bottom of a river
What is the definition of aquatic?
relating to or involving water
What is the source of a river?
the place a river comes from or starts at
How many stages are there in the Water Cycle?
4
What is a sea?
a large area of saltwater, smaller than an ocean, usually located where the land and the ocean meet
What is evaporation?
the process of turning liquid into vapor (air with tiny drops of water in it).
What is an Ocean?
one of the large areas of salt water that cover most of the Earth