Chemistry 1 (States of Matter)
Chemistry 2 (Reactions)
Photosynthesis
Food Webs
Predator and Prey
100
Which state of matter does not take the shape of its container?
Solid 
100
True or False: Combustion is the example of a chemical reaction
True! Combustion is the process of burning something.
100
The organisms that can make their own food are...
(A) mushrooms (B) earthworms (C) plants
What are (C) plants!
100
True or False: A consumer is an organism that makes its own food, without depending on any other organism for food.
What is false? A consumer is an organism that consumes other living organisms.
100
In our experiment, which animal was the prey? The wolf or the sheep?
The sheep!
200
True or False: Gases take the shape of their container.
What is true?
200
Ice melting to become water is a...
(A) chemical reaction (B) physical reaction
What is a (B) physical reaction?
200
The organisms that can make their own food are...
(A) mushrooms (B) earthworms (C) plants
What are (C) plants!
200
An example of a decomposer is...
(A) mushroom (B) hawk (C) bumblebee
What is (A), a mushroom?
200
On this graph, when is the population of wolves the largest?
C!
300
Which one of these is NOT needed for a fire to grow:
a) Oxygen
b) Carbon dioxide
c) Fuel
What is b) carbon dioxide?
300
Photosynthesis is a...
(A) chemical reaction (B) physical reaction
What is a (A) chemical reaction?
300
Name two things that plants produce as a result of photosynthesis.
What are glucose (sugar) and oxygen?
300
The first source of energy for most food webs is...
(A) grass (B) sunlight (C) water
What is (B), sunlight?
300
In this image, there is alot of grass and not many sheep. Will the number of sheep:
A) Increase
B) Decrease
C) Stay the same
A) Increase
400
You leave a glass of ice water outside on a hot day. When you come back, it looks like this:
What process occurred here?
A) Evaporation
B) Condensation
C) Freezing
B) Condensation!
The water vapor in the air hits the cool glass and becomes liquid water.
400
If you touch an exothermic reaction, it is...
(A) hot (B) cool (C) glowing (D) not happy
What is (A) hot?
400
Most plants produce oxygen during...
(A) 6 am in the winter solstice (B) Our lunchtime (C) After sunset (D) When the full moon is high
What is (B) Our lunchtime? Plants usually need the sun to produce oxygen!
400
What are the most efficient eaters?
(A) Herbivores (B) carnivores
What is (A), Herbivores?
400
What is one bad side effect that happened in Yellowstone National Park when all the wolves were gone?
1) The Elk grew too much and ate too many trees
2) Birds couldn't use the trees as a home
3) Beavers ran out of wood to make dams
4)The rivers got damaged.
500
Name a state that is neither solid, liquid, nor gas.
What is a plasma, liquid glass, and a star?
500
What do you do if your clothes catch fire?
What is stop, drop, and roll?
500
Which statement is true?
(A) All plants are green
(B) All plants need to breathe
(C) All plants produce oxygen during the day
What is (B) All plants need to breathe?
500
What causes certain trees to have the same nutrients as fish?
What is decomposers! Or, more specifically, mycelium.
500
Using this data, what is happening to the number of wolves?
They are increasing!