Unit 1
Draw a picture of the Earth's rotation.
Earth spinning on its's tilted axis.
A pure substance
Element
A chemical that travels through the bloodstream to make changes to the body.
Hormone
an organism that breaks down dead plant and animal matter and returns nutrients to the soil
decomposer
A large mass of ice formed from compacted snow that moves slowly down a mountain or across land due to its weight.
Glacier
When it is summer in Arizona (Northern Hemisphere), it is this season in Australia (Southern Hemisphere)
Winter
A positively charged subatomic particle in the nucleus of an atom.
Proton
The system that controls the movement of hormones throughout the body.
Endocrine System
the process used by producers to make glucose and oxygen from sunlight, water, and carbon dioxide
photosynthesis
During the water cycle, water is transformed into clouds through a process called...
condensation
The movement of the Earth around the Sun every 365 days.
Revolution
When matter changes, and new substances are formed.
Chemical Changes
produced in stressful and intense situations
Adrenaline
an animal that eats both plants and other animals to meet its energy needs
omnivore
The layer of the Earth's interior located between the crust and the core. It consists of hot, semi-solid rock and is involved in the movement of tectonic plates and
heat transfer processes.
Mantle
The force that keeps the Earth revolving around the Sun
Gravity
When matter is in this state, it has no fixed shape or volume.
Gas
A type of organ in the body that secretes hormones.
Gland
a living thing that makes its own food
producer
What is the primary source of energy for the biosphere?
sunlight
A massive collection of clouds of dust and gas where stars are formed.
Nebula
The center of an atom, formed by protons and neutrons.
Nucleus
helps regulate our sleep-wake cycle
Melatonin
the release of water vapor through tiny openings in plants’ leaves
transpiration
The Earth system that contains all the rocky layers of Earth.
geosphere