The smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.
What is a cell?
100
the remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form.
What is a fossil?
100
Anything that causes a reaction or change in an organism.
What is a stimulus?
200
The center of the Earth.
What is the core?
200
Clouds of dust and gas that create the next generation of stars.
What are nebulas.
200
A process used by plants and other organisms to convert light energy, normally from the Sun, into chemical energy that can be later released to fuel the organisms' activities (energy transformation).
What is Photosynthesis ?
200
A naturally formed solid matter that has crystalline structure.
What is a mineral?
200
The passing of traits from one generation to the next.
What is heredity/genetics?
300
The layer of the Earth between the crust and the core.
What is the mantle?
300
a region of space having a gravitational field so intense that no matter or radiation can escape.
What are black holes?
300
It stores the DNA of the cell.
What is the nucleus?
300
Rocks that form when hot, liquid rock (magma) cools.
What are igneous rocks?
300
Water, air, a place to live, and food.
What are the basic needs of every organism?
400
Large pieces of the lthosphere that move around on the Earth's surface.
What are tectonic plates?
400
The planet closest to the Sun.
What is Mercury.
400
It controls all of the life processes of the cell.
What is DNA?
400
Rocks whose structure, composition, and texture have changed from those of the original rock.
What are metamorphic rocks?
400
When two parents produce offspring that share characteristics of both parents.
What is sexual reproduction?
500
Vibrations that move away from an earthquake.
What are seismic waves?
500
A celestial object consisting of a nucleus of ice and dust and, when near the sun, a ‘tail’ of gas and dust particles pointing away from the sun.
What is a comet?
500
the set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
What is cellular respiration?
500
Rocks formed when grains of rock or minerals (sediments)are buried, squeezed together, and cemented by minerals.
What are sedimentary rocks?
500
When a single parent produces offspring that is identical to the parent.