Life Science
When a fox builds a den, it is demonstrating
A. instinct.
B. dominant traits.
C. a physical trait.
D. environmental influences.
Which of the following is true of mountains?
A. They are built up by waves.
B. They are built up by water carrying sediment away.
C. They are built up when plates push together.
D. They are made by rivers cutting through land
Copper is to conductor as
A. a magnet is to an electromagnet
B. charge is to static electricity
C. switch is to circuit
D. plastic is to insulator
Which is an example of a learned behavior?
A. left-handness in a person
B. a racoon eating trash
C. an opossum lying still when it feels threatened
D. an arctic fox turning white in the winter
From what structure do vertebrates get their name? A. skull
B. backbone
C. number of legs
D. ribs
Which of the following is found in plant cells but not in animal cells?
A. cell membrane
B. chloroplast
C. nucleus
D. mitochondria
Two balloons move closer when they are placed close together. What is the BEST explanation?
A. They have mixed charges.
B. They have the same charge.
C. They have opposite charges.
D. They are uncharged.
A jetty is a structure that
A. holds back floodwater that would otherwise flow downstream.
B. provides homes for fish and other organisms that live in the ocean.
C. traps sand and small rocks in order to protect the beach.
D. keeps rising flood waters within stream channels.
Which landform is carved by running water?
A. sand dune
B. canyon
C. mountain
D. hill
Which of the following is a beneficial microorganism?
A. staph bacteria that causes boils
B. mold that produces penicillin
C. algae that causes red tide
D. fungus that causes ringworm
Which landform is not built by a constructive force?
A. delta
B. canyon
C. sand dune
D. volcano
Which of the following types of magnets can be switched off when magnetic attraction is not needed?
A. bar magnet
B. magnetic field
C. electromagnet
D. static magnet
When hydrogen and oxygen react they explode and form water. What kind of change is that?
A. physical
B. chemical
C. both physical and chemical
D. neither physical nor chemical
Organisms are classified according to their
A. color of their outside covering
B. size
C. shared characteristics
What is C. Shared Characteristics
Mendel's experiments with pea plants showed that in order for this trait to be shown, TWO FACTORS had to be present for the plants to be short. What types of factors are these?
A. recessive
B. dominant
C. genes
D. chromosomes
How does a hot spot form a chain of volcanoes?
A. Volcanoes form above a hot spot. The volcanic mountains move as the plate moves.
B. The hot spot allows magma to ooze from a vent.
C. The hot spot allows magma to explode from a vent.
D. The hot spot forms alternating layers of lava and ash.
A student measures the mass of a whole orange. He cuts up the orange and measures the mass again. What is TRUE about the orange's mass before and after it was cut up?
A. It was greater when it was whole.
B. It is greater in pieces.
C. It is the same whole or cut up.
D. It is less when it is a whole.
Sea grass has begun to grow on a sand dune. How is the sea grass MOST likely to affect the sand dune?
A. The dune will move toward the land.
B. The dune will move toward the ocean.
C. The dune will erode more slowly and may even grow.
D. The dune will erode more quickly.
Which does not list a difference of an electromagnet from a magnet?
A. Can turn it on and off
B. Can switch the poles
C. Can make it stronger or weaker
D. Can demonstrate a magnetic field
What is D. can demonstrate a magnetic field
*All magnets have a magnetic field.
The jelly like substance inside of a cell is called
A. Cell Wall
B. Cell Membrane
C. Nucleus
D. Vacuole
What is formed at the mouth of the river where sediment is deposited?
As the temperature of water increases from 0 degrees C to 100 degrees C, what changes of state does it pass through - going from coldest to hottest?
A. ice, water vapor, liquid water
B. liquid water, ice, water vapor
C. water vapor, ice, liquid water
D. ice, liquid water, water vapor
What are the two organelles of a plant cell that an animal cell does not have?
What is a benefit to using floodplains as a flood control measure?
A. They prevent sediment from being carried down a river.
B. They prevent rivers from overflowing their banks.
C. They absorb the water during a flood.
D. They protect the structures build on them from damage.