Life Science
Earth Science
Physical Science
This and That
Hodge Podge
100
Where does reproduction take place in plants?

A. Phloem             B. Roots

C. Leaves              D.  Flowers

What is D. Flowers.
100
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.
100
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
100
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
100
From what structure do vertebrates get their name? A. skull B. backbone C. number of legs D. ribs
What is B. backbone
200
What is the purpose of the kidneys in the human body?

A.  Kidneys mix blood and oxygen together.
B.  Kidneys store unwanted fluids until they can be removed.
C.  Kidneys help to clean the oxygen that comes from the lungs.
D.  Kidneys help balance the salts and acids in the body by filtering blood.

What is B. Kidneys store unwanted fluids until they can be removed.

200
The part of the Earth is divided into plates?
What is the crust.
200
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.
200
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.
What is C. traps sand and small rocks in order to protect the beach.
200
Which landform is carved by running water? A. sand dune B. canyon C. mountain D. hill
What is B. canyon
300
What might occur if all of the roots were removed from a plant?

A.  the plant would not be able to support itself
B.  the plant would take in too much water
C.  the plant would not produce seeds
D.  the plant would not be able to survive because it could not make food

What is D. the plant would not be able to survive because it could not make food

300
Which landform is not built by a constructive force? A. delta B. canyon C. sand dune D. volcano
What is B. canyon
300
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
300
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
What is B. chemical
300
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.
400
Mendel's experiments with pea plants showed that 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
What is A. recessive
400
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.
What is A. Volcanoes form above a hot spot. The volcanic mountains move as the plate moves.
400
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.
What is C. It is the same whole or cut up.
400
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.
What is C.) The dune will erode more slowly and may even grow.
400
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
500
Which pair is most closely related? A. Canis felis and Felis canis B. Felis felis and Canis canis C. Canis domesticus and felis domesticus D. felis domesticus and felis pardalis.
What is D. Felis domesticus and felis pardalis
500
What happens to a river when slow moving water deposits sediment on its bottom? A. The river changes course. B. The river becomes narrower. C. The river becomes deeper. D. The river becomes shallower.
What is D. The river becomes shallower.
500
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
500
Mendel found that shortness in pea plants is recessive. If two pea plants are short, what must the parents look like? A. One is short, the other is tall. B. They are both short. C. They are both tall. D. There is no way to tell.
What is D. There is no way to tell.
500
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.
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