Grade 8 Science MCAS Review

Life Science

100

This organelle is found only in plant cells and is made of cellulose.

What is the cell wall?

200

This body system is responsible for recognizing, attacking, and destroying foreign substances that invade your body.

What is the immune system?

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 

400

This organism is only a plant eater

what is an herbivore 

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 

Earth & Space Science

100

This type of heat transfer occurs when the sun's heat is transferred to Earth.

What is radiation?

200

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

What is the Milky Way?

300

This internal layer of the Earth is made of solid iron.

What is the inner core?

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?

500

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

What are Solar Flares 

Physical Science

100

Sugar contains the elements carbon, hydrogen, and oxygen. It is an example of this.

What is a compound?

200

This phase of matter takes on the shape of it container and has a definite volume.

What is a liquid?

300

This is the phase change from a gas to a liquid 

What is a condensation?

400

This is the smallest unit of an element that still has the properties of that element.

What is an atom?

500

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

What is Plasma?

Technology

100

This is the original model in which something is patterned. 

What is a prototype?

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. 

300

This is the function of a radio station tower in a communication system.

What is the transmitter?

400

this is the strongest type of bridge

What is Truss bridge?

500

This is the last step of the engineering design process?

mass production

Lots of other questions

100

This is one way to prove evolution.

What is comparing DNA (or homologous structures, fossils, early development)

200

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

What are chromosomes (or chromatin)?

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 is the term used to define how the Earth spins on its axis.

What is rotation?

500

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

What is a vestigial structure?