Eighth Grade Science STAAR

• cold

• stationary

• occluded

• warm

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Most stars are made of which elements?

• Hydrogen only

• Hydrogen and Lithium

• Hydrogen and Sodium

• Hydrogen and Helium

Tags

NGSS.MS-PS1-1

Which of the following list the correct order of the life cycle of massive stars?

• Nebula --> massive star --> --> red supergiant --> supernova --> blackhole

• Nebula --> protostar --> main sequence --> red giant --> planetary nebula --> white dwarf --> black dwarf

• Nebula --> protostar --> main sequence --> supernova --> red giant --> blackhole

• Nebula --> protostar --> blackhole --> red supergiant --> supernova --> main sequence

Tags

NGSS.MS-ESS1-2

In the diagram given, what happens as we move to the left?

• Stars Get Larger

• Stars get Colder

• Stars get hotter

Particles in an atom that are neutral and have no charge are -

• negatrons

• electrons

• neutrons

• protons

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

• rotation

• revolution

• tilt

• comet

Tags

NGSS.MS-ESS1-1

What is Natural Selection?

• The process were only plants better adapted to their environment tend to survive and produce more offspring.

• The process were only humans better adapted to their environment tend to survive and produce more offspring.

• The process were individuals better adapted to their environment tend to survive and produce more offspring.

• The process were organisms better adapted to their environment tend to survive and produce more offspring.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

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

Felipe is observing how acetic acid (vinegar) and sodium bicarbonate (baking soda) react with one another in a volcano model. What evidence can Felipe look for to indicate a chemical reaction has taken place?

• The volume of the acetic acid increases. 

• The density of the baking soda decreases. 

• Gas bubbles are produced.
  

• The baking soda is dissolved. 

Tags

NGSS.MS-PS1-2

When comparing two elements on the periodic table, elements in the same ___________ are most likely to have similar chemical and physical properties. 

• group

• period

• area

• section