Ecosystems and Environments
What is the role of decomposers in an ecosystem?
A) They make food using sunlight
B) They hunt other animals
C) They break down dead organisms
D) They only eat dead plants
What is (C) They break down dead organism?
There are three main types of rocks. Name all three.
Bonus (Optional): How are each of these rocks formed? (Worth 100 per)
What is Igneous, Metamorphic, and Sedimentary?
Bonus: (Igneous) Cooling lava, (Metamorphic) Intense heat and pressure, (Sedimentary) Weathering, Erosion, Deposition, Compaction, Cementation
Which situation shows a push force?
A) Pulling a wagon
B) Lifting a backpack
C) Kicking a ball
D) Catching a ball
What is (C) Kicking a ball?
Which state of matter has a definite shape and volume?
A) Solid
B) Liquid
C) Gas
D) Plasma
What is (A) Solid?
Which adaptation helps a polar bear survive in the Arctic?
A) Bright green fur
B) Thin fur and small body size
C) Wings for flying long distances
D) White fur and a thick layer of fat
Bonus: What is an adaptation? (Worth 200)
What is (D) White fur and a thick layer of fat?
Bonus: What is a behavior or body feature that helps organisms survive?
Which of the following do not obtain their energy directly from other organisms?
A) Consumers
B) Omnivores
C) Producers
D) Decomposers
What is (C) Producers?
The Earth has 4 major layers. Name them in order from most central to least central.
What are Inner Core, Outer Core, Mantle, and Crust?
Name at least two forces that can change the motion of an object.
Bonus: Name all 3 more forces. (Worth 300)
What are Friction, Gravity, Magnetism, Push, or Pull.
Which of the following is not a property of matter?
A) It makes up everything
B) It has mass and takes up space
C) It can be destroyed
D) It is the smallest unit of mass (called atoms)
What is (C) It can be destroyed?
A cactus has thick stems and spines instead of leaves. This adaptation helps the cactus—
A) attract insects for pollination
B) store water and protect itself from animals
C) grow faster in cold weather
D) absorb more sunlight
What is (B) Store water and protect itself from predators?
What is wrong with this food chain?
Grass—>Mouse—>Snake—>Eagle—> Mushroom
What is the decomposer needs to have an arrow from every organism pointing at it?
True or False: Sediment (layers of rocks) are ordered oldest at the bottom and newer at the top.
What is True.
Which situation shows balanced forces?
A. A car speeding up
B. A book sitting still on a table
C. A ball rolling down a hill
D. A person jumping
What is (B) A book sitting still on a table?
A balloon filled with air is weighed, then the air is let out. The balloon now weighs less. What does this prove?
A) Air has no weight
B) Air has mass
C) Air is not matter
D) All of the above
What is (B) Air has mass?
Some animals are nocturnal. This means they—
A) migrate during winter
B) are active at night
C) live only in water
D) eat only plants
What is (B) Are active at night?
Which situation BEST shows a predator-prey relationship?
A. Bees collecting pollen from flowers
B. Two birds building nests in the same tree
C. A snake catching and eating a mouse
D. Grass growing in a field
What is (C) A snake catching and eating a mouse?
How are canyons formed?
What is when water weathers rock and eroding sediments?
A student pushes a box to the right with 10 N of force. Another student pushes the same box to the left with 6 N of force. What will happen?
A) The box will not move
B) The box will move to the left
C) The box will move to the right
D) The box will move one direction then the other
Bonus: What will direction and amount of newton’s will the box have? (Worth 200)
What is (C) The box will move to the right?
Bonus: What is 4 Newtons to the right?
Which of the following best explains why gases can be compressed more easily than liquids?
A) Gas particles are farther apart than liquid particles
B) Gas particles are larger than liquid particles
C) Gas particles have no mass
D) Gas particles do not move
What is (A) Gas particles are farther apart than liquid particles?
A desert rabbit has very large ears. The ears help the rabbit—
A) Use eco-location and detect vibrations
B) stay warm in winter
C) release heat to stay cool
D) store water for later
What is (C) Release heat to stay cool?
A drought causes many plants in a grassland to die. How will this MOST likely affect the animals?
A) Animal populations will increase
B) Consumers will have less food
C) Carnivores will stop eating
D) Nothing will change
What is (B) Consumers will have less food?
How does the formation of canyons differ from the formation of U-shaped valleys?
Bonus (Optional): What 2 rock types are most commonly found at both of these landforms?
(Worth 100 per)
What is canyons are formed from the flow of water, but valleys are formed from moving glacier?
Bonus: Sedimentary and Metamorphic
A ball is thrown upward into the air. What force is acting on the ball as it moves upward?
A) No forces are acting on it
B) Only air resistance
C) Only gravity
D) Both gravity and air resistance
What is (D) Both gravity and air resistance
Why does a wooden block float on water?
A) It has no mass
B) It is heavier than water
C) It is less dense than water
D) It absorbs water
What is (C) It is less dense than water?
Plants in a rainforest often have waxy leaves. This adaptation helps them—
A) absorb more sunlight
B) shed excess water
C) attract insects
D) grow deeper roots
What is (B) Shed excess water?