6th Grade
7th Grade
8th Grade
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100
This part of the cell packages proteins.

What is the Golgi?

100

The cell process in which stored food reserves are converted into useful energy for a plant.

What is cellular respiration?

100

A sample of matter than has definite chemical and physical properties.

What is a pure substance?

100

A change directly from the solid to the gaseous state without becoming liquid.

What is sublimation?

100
A tide with the least difference between high and low tide that occurs when the sun and moon pull at right angles to each other.

What is a neap tide?

200
The system that transports oxygen, waste, nutrients and blood throughout the body.

What is the circulatory system?

200

A symbiotic relationship where one organism benefits and the other in unaffected.

Commensalism

200

A type of bond that forms when atoms share electrons.

What is a covalent bond?

200

The part of Earth where life exists.

What is the biosphere?

200

The darker, inner shadow casted during an eclipse.

What is the umbra?

300

When two plates move toward each other.

What is a convergent boundary?

300

A type of cell division that results in two daughter cells having the same amount of chromosomes as the parent.

What is mitosis?

300

The process of creating a salt (acid + base).

What is neutralization?

300

Gases that are involved in the greenhouse effect (carbon dioxide, methane, water vapor , etc.).

What are greenhouse gases?

300
The moon phase that occurs when the moon is between the Earth and the Sun, at which point the moon cannot be seen because its light half is facing the sun and its dark side is facing the Earth.
What is a new moon?
400

A group of tissues that work together to perform closely related functions.

What is an organ?

400

A biological community of interacting organisms and their physical environment.

What is an ecosystem?

400

A negatively charged ion.

What is an anion?
400

The highest point of a wave.

What is the crest?

400

The ability of one substance to dissolve in another at a given temperature and pressure.

What is solubility?

500

The rigid outer part of the Earth, consisting of the crust and upper mantle.

What is the lithosphere?

500

The visible traits of an organism.

What is a phenotype?

500

A mixture that is not uniform throughout.

What is a heterogenous mixture?

500

A measure of the amount of matter in an object.

What is mass?

500

A ball of frozen dust and rock that orbits the sun and has a tail that glows.

What is a comet?

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