Science MSL Review 6

Soil that drains slowly most likely has a high amount of

• ash
• sand
• clay
• peat

Water evaporates and falls back to Earth as rain or snow. What is the primary energy source that drives this cycle?

• The wind
• The Sun
• Air pressure
• Ocean currents

Which statement best explains why decomposers are an important part of this food web?

• They use sunlight to make their own food.
• They give off oxygen for animals to breathe.
• hey provide camouflage for small animals.
• They make nutrients available to plants.

Which living things in the pond system break down dead plants and animals?

• Green alga
• Bacteria
• Fish
• Frogs

Which group of organisms would all be found living in a tropical rain forest?

• Lizards, insects, cacti, kangaroos
• Vines, palm trees, tree frogs, monkeys
• Evergreens, moose, weasels, mink
• Lichens, mosses, caribou, polar Lichens, mosses, caribou, polar bears

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

The shifting or movement of the tectonic plates on the Earth causes???

• Tornadoes
• Hurricanes
• Tsunamis
• Earthquakes

Which is an example of a physical property?

• rusting
• boiling point
• combustion
• reactivity with water

Wood ducks build their nests in holes in trees near lakes. If some of the  trees were removed from around the lake, how would the wood ducks be affected?

• Wood ducks would become a new species.
• Wood ducks would lay more eggs in each nest.
• Wood ducks would increase their competition for nests.
• Wood ducks would begin building their nests on the ground.

How do igneous rocks form? 

• small particles of rocks are pressed and cemented together
• when a rock is changed by heat or pressure
• From the cooling of magma or lava