Ab

Does the model below represent an element, compound, or mixture?

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

Which of the following is a similarity between elements and compounds?

• Both are the same state of matter

• Both are pure substances

• Both can be broken down by physical means

• All of the above

Match the following

• Space station

• The living quarters and equipment used to

  protect astronauts while in space

• Instruments

• A man-made laboratory that is placed in

  space for research

• Accommodations

• The protective gear that protects

  astronauts from the cold, airless

  environment of space

• Space suit

• The specialized equipment used to

  conduct research and repair damaged

  equipment

Tags

112.27.b.9.C

Which of the following is NOT one of the biotic factors represented in the picture?

• Giraffe

• Lion

• The Sun

• Dead grass

Tags

NGSS.MS-LS2-1

List the steps of the scientific method

d

e

f

c

b

a

Conduct experiment

Communicate results

Form a hypothesis

Ask a question

Analyze results

Draw conclusions

Tags

NGSS.MS-PS2-2

Which of the following is an example of a long-term environmental change?

• A hurricane

• Forests thinning out to grassland due to less yearly rainfall and higher temperatures.

• A factory polluting a nearby lake, reducing aquatic wildlife

• A flood

Tags

NGSS.MS-LS2-4

Which of the following is NOT an abiotic factor represented in the picture?

• Dirt

• Sunlight

• Dead grass

• Air

Tags

NGSS.MS-LS2-3

How does the lion pictured depend on other biotic factors for survival?

• Food Source

• Protection

• Warmth

• Shelter

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• The whelk competes with the loggerhead turtle for mackerel.

• The clams and zooplankton compete with the mackerel for phytoplankton.

• The tiger shark competes with the tuna for the mackerel.

• The squid competes with the herring for clams.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

According to the food web above, what would be the most likely outcome if all of the mountain lions were removed from this ecosystem?

• The deer population would increase due to the lack of predation.

• The deer population would increase due to the lack of predation and the racoon population would decrease because they lost their only food source.

• The turtle population would increase due to the lack of predation.

• The egret population would increase due to the lack of predation.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4