north america Flashcards
year 7 2025 (25 cards)
Watch this first to have a good understanding of the hydrological cycle
https://youtu.be/1fkWLbZFbJM?si=dUaPLTt28PGxwHtv
done
what is the hydological cycle
The water cycle or as
we call it the
hydrological cycle is the
process by which water
is cycled around our
planet.
how many of the 10 key words can you remember from the the hydrological cycle
Condensation
Surface Runoff
Precipitation
Throughflow
Ocean
Percolation
Transpiration
Evaporation
Clouds
Infiltration
here are the defination for each one
Condensation: When water vapor (like steam) in the air cools down and turns back into liquid water. Think of the water droplets on a cold glass!
Surface Runoff: Water from rain or melting snow that flows over the land’s surface, like a stream after a big storm.
Precipitation: Any form of water that falls from clouds to the ground. This includes rain, snow, sleet, and hail!
Throughflow: Water that flows sideways through the soil, under the surface of the land.
Ocean: A very large body of saltwater that covers most of the Earth’s surface. It’s where a lot of water on our planet is found!
Percolation: When water seeps down through the soil and rocks into the ground below.
Transpiration: When plants release water vapor into the air through tiny pores in their leaves. It’s like plants “sweating”!
Evaporation: When liquid water turns into water vapor (a gas) and rises into the air. Think of a puddle disappearing on a sunny day.
Clouds: Big collections of tiny water droplets or ice crystals floating in the atmosphere. They’re what bring us rain and snow!
Infiltration: When water on the ground soaks into the soil. It’s like the ground “drinking” the water!
use this video to help remeber the order of the hydrological cycle
https://youtu.be/4CIvRFwtayE?si=8B6N1OzsYeznsVkl
done
what are Drainage basins
A drainage basin is an area of land where all the water, including rainfall and runoff, flows into a single river, lake, or ocean. It is bounded by a watershed, which separates it from neighboring basins.
Drainage
basin –
Watershed -
Source -
Mouth -
Confluence -
Tributary -
Channel -
give me the definitions for each one
Drainage basin: Imagine a giant bathtub. It’s all the land area that catches rain and funnels it into a main river and its smaller streams.
Watershed: Think of the very edge of that bathtub. It’s the high ground that separates one drainage basin from another.
Rain falling on one side flows into one river system, and rain on the other side flows into a different one.
Source: That’s where a river starts its journey! It could be a spring, a lake, or even melting snow high up in the mountains.
Mouth: That’s where the river ends its journey and flows into a larger body of water, like a lake, another river, or the ocean.
Confluence: It’s like a meeting point for rivers! It’s where two or more rivers join together to become one bigger river.
Tributary: Think of it like a smaller stream or river that feeds into a bigger, main river. It’s like a helper river!
Channel: That’s the natural path that a river flows along. It’s the groove or bed where the water stays.
Watch this video to have a deeper understanding so you can answer the other questions
done
What is a river delta
A river delta
is a wetland area created when a river
empties into another body of water, such
as another river, lake or ocean,
What do we call the place where rivers meet?
In geography, a confluence (also conflux) occurs where two or more watercourses join to form a single channel.
where is the mississippi
the Southeastern region of the United States
what is a tributary
a stream or river that flows into and joins a larger stream, river, or lake, but does not flow directly into a sea or ocean.
please give me a location of the mississippi river
Minnesota to Louisiana
etc…
why was the mississippi river so important
The river provided transportation, clean water, and abundant food, including freshwater mussels and fish.
what is a biome
A biome is a large geographical area characterized by specific climate, vegetation, and animal life, forming a distinct biological community that has adapted to its physical environment.
what is a food web
A food web is all the food chains that make up an ecosystem from producers to consumers to top predators.
Give me the definations
- producers
- primary consumers
- secondary consumers
- trophic level
- apex predator
- keystone species
Producers: These are the organisms, like plants, that make their own food, usually through photosynthesis. Think of them as the base of the food web!
Primary Consumers: These guys eat the producers. They’re herbivores, meaning they only munch on plants. Think rabbits or deer.
Secondary Consumers: These are animals that eat the primary consumers. They’re carnivores (meat-eaters) or omnivores (eating both plants and animals). Think foxes that eat rabbits.
Trophic Level: This is just the position an organism occupies in a food chain. Producers are the first trophic level, primary consumers are the second, secondary consumers are the third, and so on. It’s like a step on the energy ladder!
Apex Predator: This is an animal at the very top of the food chain, meaning nothing else hunts it. Think lions or eagles.
Keystone Species: This is a species that has a really big impact on its ecosystem, way out of proportion to its numbers. If you remove a keystone species, the whole ecosystem can change dramatically. Think sea otters in kelp forests!
what is a food chain
a list of organisms in a habitat. that shows their feeding relationship, i.e what eats what
write down a biome present in north america
desert, grassland, tundra, and coral reef
etc…..
what is a coastline
the line where land meets a sea, ocean, or lake, essentially the boundary between land and water
what are the three coastals
processes erosion
transportation
depostion
what are the four types of erosion
Hydraulic action
attrition
abrasion
solution
give me the defination of the 4 different types of erosion
Hydraulic action
attrition
abrasion
solution
Hydraulic Action: Erosion caused by the force of moving water hitting and eroding rocks and soil.
Attrition: The process of rocks and particles colliding and breaking into smaller, rounder pieces.
Abrasion: Erosion caused by particles rubbing and scraping against surfaces, like rocks or riverbeds.
Solution: Erosion where water dissolves certain types of rock, such as limestone, due to chemical reactions.
what are the four types of empolyment
primary jobs
secondary jobs
tertiary jobs
quaternary jobs
