This system transports oxygen and nutrients around the body.
The circulatory
The three main types of rocks.
What are igneous, sedimentary, and metamorphic rocks?
A pure substance made of only one type of atom.
what is an element
The law that states “for every action, there is an equal and opposite reaction.”
what is newton's third law
The main organ of the respiratory system where gas exchange occurs.
What is lungs
This rock forms from cooling magma or lava.
what is igneous rocks
Two or more elements chemically joined form this.
what is a compound
Chemical symbol of sodium
What is Na
The larger side of the muscular organ that pumps blood throughout the body.
left side of the heart
The process that turns sediments into sedimentary rock.
the smallest particle of an element
what is an atom
The process by which animals maintain a stable internal environment.
what is homeostasis
This system breaks down food into smaller molecules the body can use.
What is the digestive system?
This test helps identify minerals by the color of their powder.
what is a streak test
a mixture where the components are evenly distributed
what is a solution (homogenous mixture)
The layer of Earth made of molten rock beneath the crust.
what is the mantle
Explain how the circulatory and respiratory systems work together.
They work together to transport oxygen to cells and remove carbon dioxide.
Explain how the rock cycle shows that rocks are constantly changing.
Heat, pressure, and weathering transform rocks from one type to another over time.
Describe one method used to separate a mixture and the property it relies on.
Filtration (based on particle size) or distillation (based on boiling point).
Explain why scientific theories can change over time.
New evidence or improved technology can lead to better explanations.