EOG Review Week 1 Quiz

Which of the following is an example of a compound?

• Water (H2O)

• Gold (Au)

• Air

• Nitrogen gas

Tags

NGSS.MS-PS1-1

Which of the following is an example of a mixture?

• Saltwater

• Gold (Au)

• Table salt (NaCl)

• Water (H2O)

Which property is shared by both elements and compounds?

• They are both considered pure substances

• They are both mixtures

• They can both be separated by physical means

• They both cause epidemics

Which of the following is true about table salt (NaCl)?

• It is a compound made of sodium and chlorine

• It is a mixture of sodium and chlorine

• It is an element

• It is a type of epidemic

Tags

NGSS.MS-PS1-1

Why is gold (Au) considered an element?

• It cannot be broken down into anything simpler through regular chemical reactions

• It is made of two or more different elements

• It is a mixture of metals

• It is a compound with a fixed ratio

What does it mean if a disease is endemic to a region?

• It is always present at a stable level in that region

• It spreads across the world

• It only affects animals

• It is caused by fossils

What is competition in an ecological context?

• Organisms working together for mutual benefit

• Organisms fighting for the same limited resources

• One organism living off another

• A disease spreading in a population

Tags

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NGSS.MS-LS2-2

Which of the following is an example of competition?

• Bees pollinating flowers

• Two birds trying to eat the same seeds

• A tick feeding on a dog

• Malaria in Africa

Which organism is given as an example of an index fossil?

• Bees

• Ticks

• Trilobites

• Birds

Tags

NGSS.MS-LS4-1

If two species of birds are trying to eat the same seeds in a forest, what type of interaction is this?

• Mutualism

• Parasitism

• Competition

• Endemism