6th Grade CCA Week 15 Test Review
Name ______Period _____ Date ______
Use the following formulas to answer # 1-6 Speed = Distance/Time
1.If Steve throws the football 60 meters in 3 seconds, what is the average speed of the football?
2.If Justin races his Chevy S-10 South down highway 37 for 3500 meters in 70 seconds, what is his average speed?
3.Tina’s calculations of the tarantula found that the spider was able to cover 20 centimeters in 5 seconds, what was the average speed of the spider?
4.Calculate the speed for a car that went a distance of 126 kilometers in 2 hours time.
5.Calculate the speed of a car that travels 558 kilometers northeast in 3 hours.
6.Javelinas needs strong leg muscles to help provide enough force for them to accelerate to high speeds. This fast movement can help Javelinas escape from predators and reach the safety of the pack. If a Javelina runs 42 meters in 6 seconds, what is its average speed?
Answer the following questions:
7.On a graph showing distance versus time, a horizontal line represents an object that is ______.
8.When a force acting on an object changes the object’s motion, the force is ______.
9.If the speed of an object does NOT change, the object is traveling at a(n) ______speed.
10.When an object's distance from another object is changing it is in______.
11. If you know the distance an object has traveled in a certain amount of time, you can determine______.
12.True or False: fossil fuels are classified as a nonrenewable resource because they are limited in supply.
#’s 13-15 Circle the correct answer:
- Coal, oil (petroleum) and natural gas are all: nonrenewable/renewable energy resources?
- One advantage of using wind energy is because: it’s a cleaner source of energy/it’s a nonrenewable resource.
- A force acting on an object changes the object’s motion, the force is: unbalanced/balanced.
18. List 3 ways to conserve energy: ______
- During PE the class is split into two groups for a tug-of-war. Group 1 pulls on the rope with a force of 500 N. Group 2 pulls in the opposite direction with a force of 600 N. What will be the outcome of the tug-of-war?______
20. Which of the graphs below shows an object that is traveling a constant speed for 2 sec, stops for 1 sec and then continues at a constant speed?
A. B.
C. D.
21.
17. Calculate the speed for each car in the following data table. Which car went the fastest?
Car / Distance (m) / Time (sec) / Speed (m/sec)1 / 150 / 3
2 / 180 / 2
3 / 200 / 5
4 / 270 / 9