8th Science EOG

Chemistry

100

NaCl (or salt) is an example of a what?

What is a compound?

200

Groups 1 and 17 are both the _____ __________ on the periodic table.  

What is Most Reactive?

300

Another name for a pure substance is a what?

What is an element?

400

The periodic table is arranged how?

What is by atomic number?

500

Elements in the same group have similar ______. 

What is properties or characteristics? 

Earth History & Evolution

100

The law of _____________ states that rock layers ages are determined by the order they have formed. 

What is superposition?

200

What theory suggests that living things change over time?  

What is evolution?

300

The oldest rock layers are found in what order of rock strata?

What is the bottom?

400

According to the theory of evolution, species with homologous body parts share a common _________.

What is an ancestor?

500

DAILY DOUBLE!

According to the theory of evolution a species chance for better adaptation to changing environment is based on what?  

What is natural selection?

Diseases & Hydrosphere

100

Any disease-causing agent is called a what?

What is a pathogen?

200

Where is the majority of earth's freshwater located?

What is icecaps and glaciers?

300

True or false... Viruses can be cured using vaccines. 

What is FALSE?

400

What are used to treat bacterial infections?

What are antibiotics?

500

Point source pollution comes from how many sources?

What is one?

Populations & Ecosystems

100

A pond in the middle of a forest would be an example of a ______ factor.

What is abiotic?

200

A relationship where one organism benefits and the other is neither harmed nor helped. 

What is commensalism? 

300

In an ecosystem grass is known as _______ in relation to the food web?

What is a producer?

400

DAILY DOUBLE!- must answer BOTH parts right for points.

Food, water, and shelter are all ________ _______(s) that determine a populations ________ _________. 

What is limiting factors / carrying capacity?

500

How much energy is transferred to the next level of an ecosystems energy pyramid? 

What is 10%?

Biotechnology & Natural Resources

100

What does GMO stand for?

What is Genetically Modified Organisms?

200

Biomass is an example of what kind of energy?

What is renewable?

300

What is one way NC would be affected by a DECREASE in biotechnology jobs?

What is economy, jobs, food sources?

400

Wind farms are an example of what type of energy?

What is renewable?

500

DAILY DOUBLE!

Bacteria cells being used to produce insulin for treatment of diabetes in humans is an example of which type of biotechnology?

What is genetic engineering?