1. Physical Science Daily 10 Questions WEEK #2

2. Day #1 Questions 1. The group in the experiment that does not get the independent variable is called the ___________ group. a. Dependent b. Control c. Independent d. Responding SCSh 3 2. What is the correct procedure for students to follow if a chemical is spilled: a. Stand back and advise the teacher of the spill b. Run madly about the room c. Splash large amounts of water onto the spill d. Immediately ask to go to the restroom SCSh2

3. Day #1 Answers 1. The group in the experiment that does not get the variable is called the ___________ group. b. Control SCSh 3 2. What is the correct procedure for students to follow if a chemical is spilled: a. Stand back and advise the teacher of the spill SCSh2

5. Day #2 Questions 1. The scientific notation for 275,000,000 is a. 2.75 x 10 9 b. 2.75 x 10 8 c. 27.5 x 10 9 d. 275 x 10 9 SCSh5 2. The scientific notation for.000067 is a. 6.7 x 10 5 b. 6.7 x 10 6 c. 6.7 x 10 -6 d. 6.7 x 10 -5 SCSh5

6. Day #2 Answers 1. The scientific notation for 275,000,000 is b. 2.75 x 10 8 SCSh5 2. The scientific notation for.000067 is d. 6.7 x 10 -5 SCSh5

8. Day #3 Questions 1. An example of velocity is: a. 100 km/h b. 100 m/s c. 100 m/s N d. 100 m/s 2 SPS8 a 2. If a skateboarder travels 100 meters in 20 seconds, what is his speed? a. 50 km/h b. 5 m/s c. 2000 m/s d. 4 N/s

9. Day #3 Answers 1. An example of velocity is: c. 100 m/s N 2. If a skateboarder travels 100 meters in 20 seconds, what is his speed? b. 5 m/s SPS8 a

11. Day #4 Questions 1. The rate of change of velocity is called: a. speed b. acceleration c. friction d. inertia SPS 8a 2. What is the speed of a car that is stationary? a. zero b. it has no speed, only velocity c. it has no velocity, only speed d. insufficient information given

12. Day #4 Answers 1. The rate of change of velocity is called: b. acceleration 2. What is the speed of a car that is stationary? a. zero SPS 8a

14. Day #5 Questions 1. A ball is thrown straight up into the air. Which of the following represent the ball at its highest point ? A. the velocity is equal to 0 m/s B. the velocity is equal to the gravity C. the velocity has its greatest value D. the velocity has its most negative value 2. A rocket is launched at a speed of 10 kilometers per second. How far will it travel in 1/2 minute? A.300 km B. 5 km C. 3000 m D. 600 m SPS8 a

15. Day #5 Answers 1. On the surface of the Moon, a ball is thrown straight up with an initial velocity. The ball has a constant acceleration due to the Moon’s gravity. On a graph of the ball’s velocity versus time, which of the following would represent the ball at its highest point above the Moon’s surface? A. when the velocity is equal to 0 m/s 2. A rocket is launched at a speed of 10 kilometers per second. How far will it travel in 1/2 minute? A. 300 km SPS8a