Victory for the ACT Student Text 15e

294 • S CIENCE

LESSON 1 Data Representation

The passages and items in this section accompany the in-class review of the skills and concepts tested by Data Representation items on the ACT Science Test. You will work through the items with your instructor in class. Answers are on page 441. DIRECTIONS: Each passage below is followed by several items. After reading a passage, choose the best answer to each item. You may refer to the passages as often as necessary. You are NOT permitted the use of a calculator.

Ditch the Directions Make sure you are familiar with the directions before test day. You can „‡…‘ϐ‹†‡– –Šƒ– you know what to do when you open your test booklet and save yourself 30 seconds by skipping the directions.

GRAPHS

1. What would be the approximate kinetic energy (in / g cm s 2 2 : ) of an object of mass m if it were dropped from a height of 4.5 cm? A.

PASSAGE I The kinetic energy of an object with mass m (measured in grams) after a fall from a height h (measured in centimeters) was recorded for different heights. A graph was made representing the kinetic energy versus height.

4.5 B. 9.0 C.

45 D. 90