Milestones Review

Which of these describes harmful microorganisms?

• fungi that add flavor to cheese

• bacteria that break down waste

• fungi that use nutrients from tree leaves

• bacteria that allow food to digest

Which method would be MOST effective for separating a mixture of water, sand, and iron filings?

• Filter the iron filings from the water and sand, and then boil off the water to leave the sand.

• Filter the sand from the water and iron filings, and then boil off the water to leave the iron filings.

• Filter the sand and iron filings from the water, and then heat the mixture to separate the iron filings from the sand.

• Filter the sand and iron filings from the water, and then use a magnet to separate the iron filings from the sand.

Students observe an animal and write down its characteristics: lays eggs, has feathers, has a short tail, and has a round head. What type is this and why?

• a bird because it has feathers

• a mammal because it has a short tail

• an amphibian because it has a round head

• a reptile because it lays eggs

Tags

NGSS.MS-LS4-2

During a cooking demonstration, a chef dissolves 100 grams of sugar by stirring it into 1,000 grams of hot water.  What is the mass of the sugar and water solution after the sugar is dissolved in the water?

• 900 grams

• 1,000 grams

• 1,100 grams

• 2,000 grams

Tags

NGSS.MS-PS1-5

Which part of a plant cell uses energy from sunlight to help it make food?

• nucleus

• cytoplasm

• chloroplast

• cell membrane

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

Which statement describes a way that an amoeba, a single-celled organism, is similar to a skin cell found in a multi-celled organism?

• Both kinds of cells need blood vessels to provide nutrients.

• Both kinds of cells need a way to reproduce.

• Both kinds of cells can move from place to place without help.

• Both kinds of cells can be specialized to perform certain functions.

Which surface feature was made by a destructive process?

• mountain

• river delta

• sand dune

• river valley

Tags

NGSS.MS-ESS2-2

David watches a burning candle to determine if a chemical change is taking place.  While he watches the candle, he writes down observations in his notebook.  Which of David's observations proves that a chemical change is taking place?

• The candle is getting shorter.

• The candle is giving off light as it burns.

• The wax is changing from a solid to a liquid.

Tags

NGSS.MS-PS1-2

A scientist uses a seismograph to study the seismic waves that are produced by earthquakes.  Which of these can MOST LIKELY be determined by studying seismic waves?

• the location of the earthquake's epicenter

• the dates when future earthquakes will happen

• if a tsunami will be produced by the earthquake

• if a future earthquake will happen at the same location

Suppose you are making a model of a cell.

Which material would best represent the cytoplasm?

• gummy worms

• lima bean

• jello

• dry granis of rice

Tags

NGSS.MS-LS1-2