Life Science
Earth & Space Science
Physical Science
Technology
Lots of other questions
100
This organelle is found only in plant cells and is made of cellulose.
What is the cell wall?
100
This type of heat transfer occurs when the sun's heat is transferred to Earth.
What is radiation?
100
Sugar contains the elements carbon, hydrogen, and oxygen. It is an example of this.
What is a compound?
100

This is the original model in which something is patterned. 

What is a prototype?

100
This is one way to prove evolution.
What is comparing DNA (or homologous structures, fossils, early development)
200
This body system is responsible for recognizing, attacking, and destroying foreign substances that invade your body.
What is the immune system?
200

This is the name of the galaxy we are a part of.

What is the Milky Way?

200
This phase of matter takes on the shape of it container and has a definite volume.
What is a liquid?
200

This is when two substances are combined to make a stronger substance. 

Steal and White Gold are examples of this. 

What is an Alloy. 

200

These are found in the nucleus and contain your genetic information.

What are chromosomes (or chromatin)?

300

An organism's ___________ is the set of genes that it carries. An organism's __________ is all of its observable characteristics.

What is Genotype and Phenotype 

300
This internal layer of the Earth is made of solid iron.
What is the inner core?
300
This is the phase change from a gas to a liquid 

What is a condensation?

300
This is the function of a radio station tower in a communication system.
What is the transmitter?
300
This type of organism breaks down dead or decaying organism or feeds on the nutrients in the soil such as a mushroom.
What is a decomposer?
400

This organism is only a plant eater

what is an herbivore 

400
This type of rock is formed from heat and pressure deep within the Earth which takes many years. Marble is an example.
What is metamorphic rock?
400
This is the smallest unit of an element that still has the properties of that element.
What is an atom?
400

this is the strongest type of bridge

What is Truss bridge?

400
This is the term used to define how the Earth spins on its axis.
What is rotation?
500

Explain the difference between a competitive, parasitic, and predatory relationship. 

What is:

Competitive - both going for same food or shelter

Parasitic - one organism living off another 

Predatory - one organism hunting another 

500

Sudden outward eruptions of electrically charged particles from the sun are called __________.

What are Solar Flares 

500

This is the state of matter where the electrons are stripped from the atom. 

What is Plasma?

500

This is the last step of the engineering design process?

mass production

500

This is a structure an organism no longer has, due to the fact they no longer need it. 

What is a vestigial structure?

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