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WorksheetsCFA #3 Review
Total questions: 16
Worksheet time: 8mins
What does a food chain represent?
How organisms change over time
How organisms move in an ecosystem
How organisms get bigger in an ecosystem
The path energy takes from autotrophs to heterotrophs
How are herbivores and carnivores different?
Herbivores make their own food while carnivores have to eat their food
Herbivores eat only plants while carnivores eat only meat
Herbivores are secondary consumers while carnivores are primary consumers
Herbivores eat only insects while carnivores eat only boogers
If you push a shopping with a force of 10N across a distance of 15m, how much work have you done?
25J
5J
1.5J
150J
If you had to calculate force, what formula would you use?
Force x Distance
Distance / Work
Work x Force
Work / Distance
Imagine you used 15N of force to do 75 J of work. How would you find out the distance?
Force x work
Work / force
Distance / work
force + distance / work
According to this food web, which organism is a tertiary consumer?
Bacteria
Small Fish
Pelican
Snail
Decomposers are found in all food webs. What is their job?
Control how many organisms exist in the food web
Get more energy and resources than the producers do
Give energy to the producers
Break down dead organisms and return their energy back into the environment.
Which of the following is considered a decomposer?
Tortoise
Honey Bee
Zooplankton
Bacteria
You are creating a food web and have to pick one of the following to be your tertiary consumer. Which one would you choose?
Toad
Oak Tree
Eagle
Mushroom
Which organism would be LEAST affected if the squid disappeared? (Look for the organism that is either furthest away or not connected by arrows at all)
Polar Bear
Krill
Toothed Whale
Seal
You walk into your room to clean it. You observe a couple of boxes, your nightstand, and some socks on the floor. Is work being done at that moment?
No, the nightstand is bigger than the socks
No, the boxes, nightstand, and socks are not being moved
Yes, the socks are touching the box
Yes, the socks and boxes are close to the nightstand
How did we describe work in class?
Walking while you hold some books
Doing mental math
Picking up a pencil
Sitting on a bench
Sylvanas and Saurfang are putting some things in their wagon. Saurfang is using a ramp he placed on the wagon while Sylvanas is lifting her stuff up into the wagon. Sylvanas tells Saurfang she is doing more work. Is she right?
Yes, she had to use more force lifting things up into the wagon
Yes, she worked a lot quicker by lifting things into the wagon
No, Saurfang did more work by walking up the ramp which was a longer distance
No, Saurfang and Sylvanas did the same amount of work because their force times their distance was the same.
If you pushed a large cart 35m with a force of 125N, how much work did you do?
4375 J
43.75 J
4375 N
437.5 J
You have been asked to move our chromebook cart 12m to the other side of the room. You do 45 J of work. How much force did it take for you to do this?
37.5 J
3.75 N
540 N
3.75 J
Vol'Jin kicked a 27N soccer ball while doing 324 J of work. How far did he kick the soccer ball?
1.2m
8748 m
12 m
.08 m
