New STAAR Science Questions

How many predators in this food web are omnivores?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS2-2

Both primary and secondary succession begin with pioneer species that -

• change the area and make it safer from predatory organisms

• invade the area so that new organisms cannot be established

• modify the area and allow larger and more complex organisms to appear

• use up all the existing resources and prevent establishment of non-native organisms

Tags

NGSS.MS-LS2-3

Lions and cheetahs prey on wildebeests that graze in the grasslands of the African savanna. What likely effect would increased rainfall over several rainy seasons have on the populations of wildebeests, lions, and cheetahs?

• All three populations would increase.

• The wildebeest population would decrease, and the lion and cheetah populations would increase.

• The wildebeest population would increase, and the lion and cheetah populations would decrease.

• All three populations would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If the mass number of this chlorine atom is 36, how many neutrons does it have?

• 17

• 18

• 19

• can't be determined

Tags

NGSS.MS-PS1-1

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

At position A, which hemisphere would have summer?

• Northern hemisphere

• Southern hemisphere

• Neither hemisphere

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Earth's ________ on its axis causes day and night.

• rotation

• revolution

• tilt

• comet

Tags

NGSS.MS-ESS1-1

Explain the flow of energy in this food chain (who passes energy to who).

• The hawk gives energy to the snake. The snake gives energy to the mouse. The mouse gives energy to the grasshopper who gives energy to the grass.

• The mouse gives energy to the hawk. The snake gives energy to the grasshopper. The grass gives energy to the snake.

• The grass gives energy to the grasshopper. The grasshopper gives energy to the mouse. The mouse gives energy to the snake who gives energy to the hawk.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

• The chemical energy stored in the match changed to thermal energy and light energy.

• The thermal energy stored in the match changed to light energy and chemical energy.

• The light energy and thermal energy stored in the match changed to mechanical energy.

• The light energy and thermal energy stored in the match changed to chemical energy.

Tags

NGSS.MS-PS3-5

Use this model of the Hertzsprung-Russell diagram to answer question.
An astronomer discovers a new star that is very hot, but not very bright. What type of star did she discover?

• a red giant
  

• a young star on the main sequence 

• an old star on the main sequence 

• a white dwarf 

Tags

NGSS.HS-ESS1-3