Science Section 2 Review

A student mixes salt, pepper, and water.

Which two methods can the student use to separate the parts of the mixture?

• sifting and flotation

• evaporation and sifting

• flotation and evaporation

• using a filter and using a magnet

A student develops a model for grouping animals that she observes in a park.

Which are MOST LIKELY the names of the animal groups?

• fish and reptiles

• reptiles and birds

• fish and mammals

• reptiles and amphibians

Tags

NGSS.MS-LS4-2

Which statement about cytoplasm is true?

• Only animal cells have cytoplasm

• Cytoplasm surrounds and protects cells

• Plant cells use cytoplasm to carry out photosynthesis

• Cytoplasm is a liquid that fills the space around a cell's nucleus and other organelles.

Tags

NGSS.MS-LS1-2

Scientists place several seismographs along a mountain chain.

Which question will the scientists MOST LIKELY answer with information they collect from the seismographs?

• where do faults occur?

• How tall are the mountains?

• How can earthquakes be prevented?

• Which parts of the mountains are formed by volcanic eruptions?

Tags

NGSS.MS-ESS2-3

A teacher mixes sugar and water in a class demonstration. The sugar dissolves in the water.

How can the teacher separate the substances in this solution?

• by causing the sugar to melt

• by causing the water to freeze

• by causing the sugar to condense

• by causing the water to evaporate

How are bacteria helpful? Select TWO ways.

• They are decomposers

• They live in raw eggs and raw meat.

• They help some animals digest food.

• They are the main producers in oceans and lakes.

• They live on plant roots and make nutrients that the plants need.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Yonah Mountain is in Georgia.

How will Earth's destructive processes MOST LIKELY cause Yonah Mountain to change?

• it will become wider

• it will become higher

• it will become steeper

• it will become more rounded

Tags

NGSS.MS-ESS2-2

Which observations about a substance are evidence that a chemical change occurred? Select THREE answers.

• a change in odor

• a change in state

• a change in shape

• formation of bubbles

• the formation of a new solid

Tags

NGSS.MS-PS1-2

A student observes a school tree during the year. The tree has flowers in the spring. The tree loses its leaves in the fall.

How should the student classify this tree.

• spore producer and tree

• seed producer and deciduous tree

• coniferous plant and evergreen tree

• flowering plant and coniferous tree

How is the process of deposition like a volcanic eruption?

• Both pull pieces of rock downhill.

• both build up features on earth's surfaces

• both move rock pieces from one place to another

• both break down rock into smaller pieces at or near Earth's surface