6th Grade Science
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8th Grade Science
More 8th Grade Science
Grab Bag
100

This is the term for a consumer who eats both plants and animals. 

What is an omnivore? 

100

Is the type of plate boundary where the sea - floor spreading occurs

what is divergent?

100

Is the maximum number of valence electrons that an element can have

What is 8?

100

This is the name of the group on the periodic table that contains elements with full outer shells that are inert (unreactive). 

What is the Noble Gases? 

100

This is thing in an experiment that the scientist changes on purpose (the cause). 

What is the independent variable? 

200

This is the term for substances, such as carbon dioxide and methane, that trap heat in our atmosphere. 

What is a "greenhouse gas?" 

200
This is the step in meiosis where homologous chromosomes exchange genetic information. 

What is crossing over?

200

SI unit for force

What is Newton?

200

This is the term for when a substance changes directly from a solid to a gas (such as dry ice). 

What is sublimation? 

200

588m = ? km (1,000 meters in 1 km)

.588 km

300

These are the 5 characteristics of all living things. 

What is respond, organization (cells/DNA), growth and development, use energy, and reproduce?

300

Gray fur is dominant to white fur. A heterozygous mouse and a white mouse mate. What is the expected ratio of gray to white in the offspring? 

1:1 (2:2)

300

Matter is not created or destroyed

What is the Law of Conservation of Mass?

300

These two subatomic particles make up the mass of an atom. 

What are protons and neutrons? 

300

Is the element that comprises most of the mass of the sun

what is hydrogen?

400

These are two differences between plant and animal cells (be specific). 

<Answers vary>

400

Is has the longest wavelength in the electromagnetic spectrum

what is radio wave?

400

Organelle where cellular respiration takes place

what is mitochondria? 

400

These are 2 reactants and 2 products of cellular respiration. 

Reactants - food (glucose) and oxygen

Products - ATP, water, and CO2

400

They are loose collection of ice, dust, and small rocky particles whose orbits can be very long.

What is a comet?

500

Earth's atmosphere is composed of abut 78% of this element

What is nitrogen?

500

Is the number of waves that pass a given point in a certain amount of time.

What is frequency? 

500

type of bond between Na and O in Na2O

What is ionic?

500

Term used for describing a model of the Universe where the Earth is at the center and the sun and other planets revolve around it

What is geocentric? 

500

This planet's moons are nearly all named after Shakespearean characters. 

What is Uranus? 

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