วิทยาศาสตร์ EP ม.4

1. The diagram below shows water in a graduated cylinder.

A student states that the graduated cylinder contains 150 mL of water. This statement is
2. The average daily air temperature at a certain location increases when there is a seasonal increase in the number of daylight hours. Which graph best shows this change?
3. The data table below shows that as the pressure of a gas sample was changed, the volume of the gas changed. The pressure was measured in atmospheres (atm) and the volume was measured in milliliters (mL).

According to the data table, as the pressure of the gas increases, the volume of the gas
4. Which type of energy in gasoline is transformed into mechanical energy in a motorcycle engine?
5. A Punnett square is shown below. The dominant trait is represented by R. The recessive trait is represented by r.

What percentage of the offspring will most likely show the dominant trait?
Base your answers to questions 6 and 7 on the graph below and on your knowledge of science. The graph shows the average monthly air temperatures for three different locations, A,B, and C.



6. Which location experiences the least change in average monthly air temperature between its warmest and coldest months?
7. Where is location C most likely located?
8. Which term identifies a single unit of hereditary information?
9. The sum of all chemical reactions in the human body is known as
10. The main function of hormones in the human body is to
11. Which human organ system produces sperm or egg cells?
12. Naturally occurring variations within a species are mainly the result of mutations and
13. Animals may fight, make threatening sounds, and act aggressively toward members of the same species. These behaviors usually occur as the result of
14. During which process does a caterpillar become a butterfly?
15. The diagram below shows views of the same onion cells observed by a student under a compound light microscope before and after a laboratory procedure.

What did the student most likely do to cause the difference between the two views?
16. The hydra shown below is reproducing asexually

What percentage of the offspring’s genetic information is the same as the genetic information of the parent?
17. The diagram below shows a food chain.

What do the arrows in the diagram represent?
Base your answers to questions 18 and 19 on the diagram below and on your knowledge of science. The diagram shows how modern types of flowers developed from early types of flowers over the last 75 million years.



18. What is the most likely reason why these early flowers gradually changed to many different types of flowers over time?
19. Which process is represented in this diagram?
20. Which sequence represents the order of development for many plants?
21. Cancer is best described as
22. A cat jumps when startled by a loud noise. This is an example of an organism
23. The diagram below shows a life process taking place within a cell.

Which life process is shown?
24. Which outcome is most likely if a person consumes more Calories than needed for daily activities?
25. Organisms that consume wastes to obtain the nutrients they need to survive are classified as
26. Which term identifies a group of cells that work together to perform a similar function?
27. Pesticides and fertilizers can help farmers to produce more crops. However, overuse of these chemicals can result in
28. Which force keeps the planets in their orbits around the Sun?
29. Which material is primarily a mixture of weathered rock and organic matter?
30. Most of Earth’s major earthquakes are caused by
Base your answers to questions 31 and 32 on the diagram below and on your knowledge of science. The diagram represents the motion of the Moon around Earth as seen from above the North Pole. One position of the Moon in its orbit is shown.



31. Which Moon phase will usually be seen from Earth when the Moon is in this position?
32. The time it takes the Moon to revolve once around Earth is approximately one
33. The diagram below shows two locations where fossils of Mesosaurus have been found. Mesosaurus was a freshwater reptile that existed on Earth about 250 million years ago.

Which statement best explains why these freshwater Mesosaurus fossils are found today in some rock layers in both South America and Africa?
34. A person uses a bow to shoot an arrow at a target. In which diagram does the bow and arrow have the greatest amount of potential energy?
35. The diagram below shows 20 grams of two different materials, A and B, on a laboratory balance.

Compared to material A, material B has a different
36. Which activity is an example of a chemical change?
Base your answers to questions 37 and 38 on the diagram below and on your knowledge of science. The diagram represents four processes, labeled A,B,C, and D, that occur when water changes phase.



37. Which process is represented by B?
38. Which two processes increase the motion of the molecules?
39. Which resource is considered nonrenewable?
40. The arrows in the diagram below show the circulation of air on a sunny day.

The air circulation shown is caused by
41. Which form of energy are x rays and ultraviolet light?
42. Sound will not travel in a
43. A student pushes against a tree with a force of 10 newtons (N). The tree does not move. What is the amount of force exerted by the tree on the student?
44. The picture below shows a bird landing at a bird feeder outside a window.

The image of this bird in the window is the result of light being
45. The diagram below shows a game where players try to move a metal needle through three metal paper clips without letting the needle touch the clips. A bulb lights when the needle touches a paper clip, signaling that the player has lost.

Why does the bulb light when the needle touches a paper clip?
วิทยาศาสตร์ EP ม.4
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