Physical Science Chapter 3
.png "Physical Science Chapter 3 - Quiz")
- 1.Check all of the metric units.
- A.
Mile
- B.
Gram
- C.
Centimeter
- D.
Newton
- E.
Inch
- 2.How many centimeters are there in a stick 3 meters long? (include units)
- 3.Jeremy decides to cook some pasta noodles. He notices that the directions say to add salt to the water before bringing the water to a boil. The next day, Jeremy asks his science teacher, Ms. Jackson, a question: "How does adding salt affect the boiling temperature of water?" Of course, Ms. Jackson asks Jeremy to plan and conduct an experiment to find the answer. What was the control set-up for Jeremy's experiment?
- A.
One quart of boiling water with salt added
- B.
One quart of boiling water with no salt added
- C.
One quart of room temperature water with salt added
- D.
One quart of room temperature water with no salt added
- 4.Jeremy decides to cook some pasta noodles. He notices that the directions say to add salt to the water before bringing the water to a boil. The next day, Jeremy asks his science teacher, Ms. Jackson, a question: "How does adding salt affect the boiling temperature of water?" Of course, Ms. Jackson asks Jeremy to plan and conduct an experiment to find the answer Jeremy writes an excellent hypothesis before beginning his experiment. Which of the following is the hypothesis he wrote?
- A.
Pasta manufacturers and salt companies have signed a business deal.
- B.
Adding salt to pasta water makes the pasta taste better.
- C.
Adding salt to pasta water will cause the water to boil at a higher temperature.
- D.
Certain types of salts will not dissolve in boiling water.
- 5.
Jeremy decides to cook some pasta noodles. He notices that the directions say to add salt to the water before bringing the water to a boil. The next day, Jeremy asks his science teacher, Ms. Jackson, a question: "How does adding salt affect the boiling temperature of water?" Of course, Ms. Jackson asks Jeremy to plan and conduct an experiment to find the answer. The following graph summarizes Jeremy's results. What conclusion can be made from these results?- A.
Adding salt to the water causes the water to boil at a higher temperature.
- B.
ADding salt to the water causes the water to boil at a lower temperature.
- C.
Adding salt tot he water has no effect on the temperature of the boiling water.
- D.
There is not enough information for a valid conclusion.
- 6.Listed below are descriptions of the motion of several objects. If they are accelerating place a check.
- A.
A car traveling on a turnpike at 60 mph with its cruise control engaged.
- B.
A motorcylcle whose brakes have been applied.
- C.
A baseball dropped from the roof of a building.
- D.
A girl on a skateboard going around a corner at a apeed of 3 m/s
- E.
A tractor-trailer parked in a rest area.
- 7.A woman jogs for 2.0 hours covering a distance of 13 kilometers. What is the speed of the woman expressed in kilometers per hour? ( answer with one decimal place and unit abbreviations) (no spaces)
- 8.A man runs 1500 meters in 4.00 minutes. What is the speed of the man expressed in meters per second? ( answer with two decimal place and unit abbreviations) (no spaces)
- 9.A boy riding a bicycle travels at 10 miles per hour for 3 hours. He stops to rest for one hour and then continues his ride. For the next hour he rides at a speed of 20 miles per hour. During this ride, what was the rider's average speed for the five hour period?( answer unit abbreviations) (no spaces)
- 10.A carton wieghs 5.00 pounds. If 1.00 newton equals the weight of 0.228 pounds, what is the weight of the carton in units of newtons?( answer with one decimal place and unit abbreviation) (no spaces)
- 11.According to legend, Galileo dropped two balls from the Tower of Pisa to see which would fall faster. Suppose one of the balls had a mass of 5.0 kilograms. Given the acceleration of gravity is 9.8m/sec/sec, what was the weight of the ball in newtons?( answer unit abbreviations) (no spaces)
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