Semifinal 3 - 8th Grade Science Quiz Bow

Lyme disease is spread by ticks that attach to an animal to feed. Which describes the role of the tick?

• The tick is a virus.

• The tick is a donor.

• The tick is a vector.

• The tick is a bacteria.

Pandemics are harder to prevent than epidemics. Which best explains this?

• Pandemics are caused by viruses, while epidemics are caused by bacteria.

• Pandemic diseases do not have vaccines, while epidemic diseases have vaccines.

• Pandemics cover a large geographical area, while epidemics are specific to a given area.

What is involved in creating genetically modified bacteria?

• using biotechnology techniques

• changing their food source

• allowing them to reproduce freely

Tags

NGSS.MS-LS3-1

How has genetic modification most likely affected the safety and availability of fruits and vegetables?

• It has decreased the safety and availability of fruits and vegetables.

• It has increased the safety and availability of fruits and vegetables.

• It has decreased the safety of food, but increased the availability of fruits and vegetables.

Tags

NGSS.MS-LS4-5

Which of the following correctly identifies how a power plant changes the atmosphere?

• A plant powered by geothermal energy releases nitrogen oxides.

• A plant powered by nuclear energy releases sulfur dioxide.

• A plant powered by natural gas releases carbon dioxide.

Tags

NGSS.HS-ESS2-4

Why does oil take so long to form in nature?

• The life cycle of the organisms that are fossilize into oil takes millions of years.

• The process of burying remains under deep sediment takes millions of years.

• The reactions that change biochemicals to shale take millions of years.

Tags

NGSS.MS-ESS3-1

Which are replenished MORE quickly than they are used?

• energy resources

• renewable resources

• material resources

• nonrenewable resources

Which BEST explains what scientists are referring to when they use the term conservation?

• nonliving parts of the environment

• living organisms in the environment

• health of the living organisms in the environment

• protection, management, and renewal of resources

Tags

NGSS.MS-LS2-5

A student passes a magnet over 10 grams of a powder. Four grams of the powder stick to the magnet, while 6 grams do not. Which of these identifies the substance?

• element

• compound

• mixture

• solution

Which choice best describes the properties of potassium (K), based on its position on the periodic table of elements?

• a nonreactive metal

• a highly reactive metal

• a nonreactive nonmetal

• a highly reactive nonmetal