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Food Chains and Food Webs
Biomes
Ch-ch-ch-ch-changes
Wild Card
Earth Science
100
What do the arrows in a food web represent?
The transfer or flow of energy
100
This biome is found in regions of low rainfall and dry climate.
What is a desert?
100
Sharpening a pencil is this type of change.
What is a physical change?
100
An opposing force.
What is the force of friction?
100
These are the oldest rock layers.
What are the layers at the bottom of the Earth?
200
In a food web based on someone's backyard, the number of mice decrease.
what would happen to the number of mice if the number of hawks increased?
200
The biome that has low temperatures and permafrost.
What is Tundra?
200
The kind of change that occurs when you tear paper.
What is an example of a physical change?
200
Coal is this type of resource.
What is a nonrenewable resource?
200
Convergent boundary
What can be caused when two tectonic plates collide with one another?
300
a plant, tree, bush, etc. in a food chain or web that provides food for other organisms
What is a producer?
300
The biome found in humid areas that are tropical or temperate, where there are high levels of annual precipitation.
What is a tropical rainforest?
300
Combining baking soda and vinegar.
What is a chemical change?
300
A scientist is studying the affects of different brands of fertilizer on a plant. The fertilizer is this type of variable.
What is an independent variable?
300
Formation of igneous rock
Which type of rock is formed by the cooling of magma or lava?
400
An organism in a food chain or web that survives by eating other plants/animals in that chain or web.
What is a consumer?
400
This biome's primary vegetation is grass (name one of two possible answers)
What is a savannah OR grassland?
400
This kind of change occurs when you dissolve salt in water.
What is an example of a physical change?
400
This is the layer that covers Earth's surface.
What is the crust?
400
Convection Currents
What is the driving force of plate movement? (Plate tectonics)
500
an organism in a food chain or web that recycles nutrients in dead organisms and their wastes
What is a decomposer?
500
The evolutionary process whereby a population becomes better suited to its habitat
What is adaptation?
500
This kind of change occurs when you boil water.
What is an example of physical change?
500
Cause for Earth's four seasons.
What is earth's tilt on its axis?
500
Cause for Earth's orbit of the Sun and the moon's orbit around Earth.
What is gravity?