STAAR Review for Science

Many processes occur in the digestive system. Which process is best classified as a physical change?

• Saliva converting starch molecules in crackers to simple sugars

• Digestive enzymes breaking down proteins into smaller fragments

• Bacteria converting lactose into simple sugars in the intestines

• Teeth grinding an almond into smaller pieces in the mouth

___________ is the SI(Standard) unit for force.

• Force

• Newton

• Kilogram

• Joule

_________ is an objects tendency to resist changes in motion (ex. speeding up, slowing down, stopping)

• Force

• Inertia

• Friction

• Newton

Which of the following statements best describes the movement based on the graph.

• A runner that is accelerating by speeding up.

• A car that is parked

• A car slowing down at a stop sign

• A runner running at a constant speed.

What phase comes AFTER this one?

• Waning Crescent

• Waning Gibbous

• Waxing Crescent

• Third Quarter

Tags

NGSS.MS-ESS1-1

What happens when the area in which you live tilts away from the sun?

• It is summer.

• It is spring.

• It is winter.

• It is fall.

Tags

NGSS.MS-ESS1-1

Organisms that eat other organisms (heterotroph).

• Producer
  

• Parasite

• Consumer

• Scavenger

Organisms that digest dead producers and consumers such as mold, fungus, bacteria and worms.

• Producer

• Parasite

• Decomposer

• Consumer

Tags

NGSS.MS-LS2-2

Gradual and orderly process of change in an ecosystem until a stable community is established.

• Ecological Succession

• Biodiversity

• Adaptation

• Competition

Process by which organisms that are suited to a particular environment are better able to survive and reproduce than other organisms that are not.

• Ecological Succession

• Biodiversity

• Natural Selection

• Producer

Tags

NGSS.MS-LS4-4