STAAR Practice Science

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.

The living organisms in an ecosystem such as plants and animals

• adaptation

• biotic

• decomposer

• abiotic

Tags

NGSS.MS-LS1-4

The non-living factors in an ecosystem such as rocks, water and temperature.

• natural selection

• biotic

• biodiversity

• abiotic

Tags

NGSS.MS-LS2-3

Organisms that make their own food. Also called autotrophs.

• Producer

• Parasite

• Scavenger

• Decomposer

Organisms that eat other organisms (heterotroph).

• Producer
  

• Parasite

• Consumer

• Scavenger

Tags

NGSS.MS-LS2-3

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

• Producer

• Parasite

• Decomposer

• Consumer

Organisms, such as vultures, that feed on dead animals.

• Producer

• Scavenger

• Consumer

• Parasite

Tags

NGSS.MS-LS2-2

Organisms that live in or on another organism and benefit at the host's expense.

• Parasite

• Producer

• Scavenger

• Decomposer

Tags

NGSS.MS-LS2-4

Struggle between organisms of the same or different species for food, space, light, water, etc.

• Interdependence

• Natural Selection

• Adaptation

• Competition

Process by which an animal or plant species becomes fitted to its environment to help them survive.

• Interdependence

• Natural Selection

• Adaptation

• Competition

Tags

NGSS.MS-LS4-4