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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.
the name given to the vertical columns of elements on the Periodic Table, tells us similar physical and chemical properties and # of valence electrons.

2.
an object's tendency to resist a change in motion

3.
an organism that is made up of only one cell

4. speed in a given direction

5.
a region of space having a gravitational field so intense that no matter or radiation can escape

6.
the name given to the horizontal rows of elements on the Periodic Table, tells us # of energy levels.

7.
an organism that is hunted and eaten by another organism

8.
an organism that breaks down waste and dead organisms

9.
the deepest parts of the ocean floor

10. the ability to break or shatter under stress

11.
a push or pull on an object that may change the motion of the object

12.
the intentional breeding of two individuals to produce offspring with favorable characteristics

13. water present beneath Earth's surface

14.
changes that occur in an area after a disturbance in an existing ecosystem

15.
equal day and night (12 hours of each) Earth is titling back toward the sun

16.
the scientist credited with the 3 laws of motion

17.
an underwater mountain range, formed by the movement of plates

18. any change in the location of an object

19.
a consumer that feeds on animals only

20.
occurs during a transform boundary and at a fault line

21.
an organism whose cells lack a nucleus and other organelles

22.
a group of organs that work together to perform a specific function

23. the units used for force

24. the amount of matter in an object

25.
a diagram that shows the amount of energy moving from one feeding level to another

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