Topic 2
Topic 4
Topic 6
Topic 7
Topic 9
100
Ear and nose are made of this.
cartilage
100
What is the first level of ecological organization?
individual
100
What mechanical part is often turned by steam or kinetic energy to generate electrical energy?
turbine
100
What soil layer is the one with organics that's also mixed with mineral matter?
surface layer
100
Positively-charged particles are called ____
protons
200
Main difference between artery an vein
artery takes blood away from the heart while veins carry blood back to the heart.
200
What's ecology?
the study of the interactions of living organisms with one another and with their environment.
200
what two things are not a permeant label when talking about resources.
renewable and nonrenewable
200
what's 1 similarity and 1 difference between birth and death rate?
they both measure events per 1,000 individuals but death rate counts the deaths while birth counts the number of births.
200
Our magnetic south pole is located where?
the arctic
300
A collection of glands and groups of cells that secrete hormones that regulate growth, development, and homeostasis.
endocrine system
300
what do we call an animal that eats both plants and animals?
omnivore
300
What is U-235 have to do with energy?
it's what fuels nuclear fission
300
What are 2 main pollutants for oceans?
trash (especially plastic), sewage, oil spills, and aqua/agriculture.
300
Following the curled right hand rule, if a current is going downwards, which way is the magnetic field spinning?
clockwise
400
This interprets senses, controls movement, memory, and learning.
cerebrum
400
This element is the building block of life for organisms on Earth?
carbon
400
What % of our freshwater is groundwater?
20%
400
Heavy smog layer can cause this climate issue.
temperature inversion
400
transformer
500
Name 5 things the liver does
500
define law of conservation of energy.
energy can change forms, but can't be created nor destroyed.
500
What's the problem with rare metal mining?
has severely damaged many ecosystems, especially with the increase of complex technology that demand rare metals.
500
What is desertification and what is increasing it's occurrence?
When a nutrient and water-rich land gains desert-like conditions. A common cause of this is droughts which have become more common and severe due to climate change.
500
The process of taking magnetic and mechanical energy and transforming it into electrical energy is called?
Electromagnetic Induction