Life Science
When a fox builds a den, it is demonstrating
A. instinct.
B. dominant traits.
C. a physical trait.
D. environmental influences.
What is A. instinct.
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
What is C. They are built up when plates push together.
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
What is 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
What is B. a racoon eating trash
From what structure do vertebrates get their name?
A. skull
B. backbone
C. number of legs
D. ribs
What is B. backbone
Which of the following is found in plant cells but not in animal cells?
A. cell membrane
B. chloroplast
C. nucleus
D. mitochondria
What is B. chloroplast
Which of these land forms were LEAST affected by erosion?
A. mesa
B. plain
C. canyon
D. delta
What is B. plain
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.
What is C. They have opposite charges.
Which land formation is created by deposition?
A. volcano
B. delta
C. canyon
D. mountain
What is B., delta?
Which landform is carved by running water?
A. sand dune
B. canyon
C. mountain
D. hill
What is B. canyon
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
What is B. mold that produces penicillin
Which landform is not built by a constructive force?
A. delta
B. canyon
C. sand dune
D. shield volcano
What is B. canyon
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
What is C. electromagnet
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 or chemical
What is B. chemical
What characteristics help scientist classify an organism as an animal?
A. It is made up of many cells and feeds on other living or once living things.
B. It is made up of many cells and absorbs food from its surroundings.
C. It is made up of one cell and makes its own food.
D. It is made up of many cells and makes its own food.
What is A. It is made up of many cells and feeds on other living or once living things.
a. pine tree
b. sunflower
c. grass
d. moss
What is D. moss?
Which location is most likely to form chain of volcanoes?
A. Volcanoes form above tectonic plates The volcanic mountains move as the plate moves.
B. Volcanoes form randomly as a result of erosion.
C. Volcanoes form as a result of tsunamis.
D. Volcanoes form where it is hot.
What is A. Volcanoes form above tectonic plates. The volcanic mountains move as the plate moves.
Which factors determine whether a change is a chemical change or not? Choose all that apply.
A. formation of bubbles
B. shape
C. use of heat
D. size
E. creates a new substance.
What is A, C & E?
The following are characteristics of which animal group...
smooth, moist skin
gills or lungs
lay eggs
a. amphibian
b. mammal
c. reptile
d. bird
What is A, amphibian?
What does an electromagnet have that a bar magnet does not have?
A. electric field
B. coil of wire
C. magnetic poles
D. magnetic field
What is B. coil of wire
a. eye color, height, hair color
b. eye color, language, rolling your tongue
c. reading, sports, language
d. detached ear lobe, hitchhiker thumb, height
What is C. Reading, sports, language?
What happens to a river when slow moving water deposits sediment on its bottom?
A. The river changes course.
B. The river becomes more narrow.
C. The river becomes deeper.
D. The river becomes more shallow
What is D. The river becomes more shallow.
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 is D. ice, liquid water, water vapor
Which item below is an example of a load in a circuit?
a. switch
b. wires
c. battery
d. light bulb
What is D, lightbulb?
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.
What is C. They absorb the water during a flood.