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STAAR 8th Grade Science Review (New)
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STAAR 8th Grade Science Review (New)
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25 Questions

1.
no reflected light from the sun is visible

2.
a piece of lab equipment that measures the volume of an object

3.
consists of one star and everything that orbits that star

4.
an organism that gains energy by feeding on other organisms

5.
occurs when ocean water is at its highest level during the day

6. the amount of matter in an object

7.
a trait that an organism is born with that is obtained from parents or ancestors

8. the distance light travels in one year

9.
thick gel-like fluid inside the cell between the nucleus and the cell membrane

10.
turning or spinning on an axis

11.
energy changing from one form to another

12.
an organism that hunts other organisms for food

13.
an animal that feeds on the bodies of dead organisms

14.
equal day and night (12 hours of each) Earth is titling away from the sun

15.
the way light reflects from the surface of a substance

16.
the name given to the horizontal rows of elements on the Periodic Table, tells us # of energy levels.

17.
equal day and night (12 hours of each) Earth is titling back toward the sun

18.
acts as a barrier to protect the body from the outside world

19.
changes that occur in an area where no living things previously existed.

20.
a segment of DNA that has the code for a specific trait

21. a layer that allows water to move through the material

22. the ability to break or shatter under stress

23.
a piece of lab equipment that measures the mass of an object

24.
the contamination of air, water, or soil by substances that are harmful to living organisms

25.
changes that occur quickly in an ecosystem and affect organisms immediately