Science Exam reviewer by Tonton Montemayor

choose the best answer
1.Mechanical energy is composed of...
a.Potential and thermal energy
b.Kinetic and potential energy
c.kinetic energy

2.As an object is lifted higher it gains more...
a.gravitational potential energy
b.mechanical energy
c.potential energy

3.When heat energy is absorbed by matter it...
a.turns into Thermal energy
b.remains as Heat energy
c.turns into Internal energy

4.Who compiled and finalized the cell theory?
a.Rudolf Virchow
b.Theodore Shwann
c.Matthias Scleiden

5.The cell theory states "all _____ and _____ activities happen within a cell"
a.Physical and chemical
b.Chemical and psychological
c.Chemical and physiological

6.A heterotroph is an organism that
a.under goes photosynthesis
b.Creates glucose and sugar to feed itself
c.takes energy from other living things

7.Choose the best answer
a. atoms - organelles - molecules- tissues - organelle
b. atoms - molecules- cells - organelles - tissues
c. atoms - molecules - organelles - cells - tissues

8.Knowledge of cells dates back to the _____ when the lens was invented.
a. 1800s
b. 1600s
c. 1500s

9.A compound lens microscope set to HPO has the capacity to view _____times the normal size.
a. 40x
b. 400x
c. 140x

10.What part of the compound lens microscope do you adjust to bring the body tube closer to the stage?
a.Fine adjustment knob
b.Coarse adjustment knob
c.Body tube adjuster

11.Who invented the single lens microscope?
a.Robert Hooke
b.Louis Pastuer
c.Anton van Leeuwenhoek

12.If the atomic mass of a Element is different from its usual count it is a?
a. Ion
b. Isotope
c. none of the above

13.The movement of the particles of a solid is through?
a. Vibrating
b. Rotational and translational movement
c. Vibrating and translational

14.The compressibility of gas is...
a. low
b. high
c. medium

15.Internal energy includes the following except
a. Thermal energy
b. heat energy that hasn't been absorbed
c. heat energy that has been absorbed

answers
1.b 6.c 11.c
2.c 7.c 12.b
3.c 8.b 13.a
4.a 9.b 14.b
5.c 10.b 15.b