Fact Crossword 25

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Across

3. proteins are biochemicals made of _____ ____ (Fact 306)

5. in a controlled experiment, the variable that is expected to change because of the manipulated variable is the ______ or dependent variable (Fact 23)

7. ________ is the property of a moving object hat depends on an object's mass and velocity (Fact 128)

8. the _____ _____ is the tool used to find the volume of a liquid (Fact 58)

10. to find the _______ (amount of space a substance takes up) of a rectangular solid, use the formula of length x width x height (Fact 55)

12. in a controlled experiment, the _______ variables are the ones that are intentionally kept the same (Fact 21)

15. ________ are used by living organisms to regulate chemical activities, to transport and store materials and to provide support (Fact 307)

16. in a controlled experiment, the _________ or independent variable is purposely changed (Fact 22)

19. ______ forces produce no change in the motion of an object (Fact 94)

20. _______ is the force of attraction between objects due to their masses (Fact 104)

23. the mass number of an atom is equal to the sum of an atom's protons and _____ (Fact 251)

26. the three types of galaxies are spiral, elliptical and _______ (Fact 180)

28. atoms from the same element always have the same number of ______ (Fact 263)

29. the volume of a _____ is equal to the volume of its closed container (Fact 62)

30. ________ are large groupings of stars in space; they are classified by their shape (Fact 180)______

Down

1. the volume of an irregular solid can be calculated bu using the _____ ____ Method (Fact 56)

2. an object's _____ changes as it changes location in the universe, this is because gravitational force changes (Fact 111)

4. stars are classified by size, ________, color, composition and brightness (Fact 177)

6. elements are arranged on the _____ _____ by increasing atomic number (Fact 264)

9. the atomic number of an element is equal to the number of protons in the _____ of an atom (Fact 250)

11. _________ forces cause a change in the velocity (speed and direction) in moving objects (Fact 94)

12. a _________ is a pair of numbers used to determine a position or a point on a line graph (Fact 34)

13. a ___________is a dot that is placed on a line graph for each pair of data (Fact 35)

14. look at the bottom of the _______ (a curve in the surface of a liquid) when measuring the volume of a liquid (Fact 59)

17. gravity exerts a downward _______ force on falling objects (Fact 112)

18. particles in a ______ are broken apart, move independently of each other, conduct electric current and are ont affected by magnetic fields (Fact 224)

21. ________ (the tendency of all objects to resist a change in motion) and centripetal force are the forces that keep the planets in orbit around the sun (Fact 123)

22. the SI unit of ______ is the newton (Fact 68)

24. ______ is the rate at which an object moves (Fact 74)

25. _______ are used by living organisms to store excess energy (as fat) and for making up cell membranes (Fact 305)

27. an object's _______ (the amount of matter that makes it up) does not change when gravitational force changes (Fact 110)

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