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Review a
Review b
Review c
Review d
Review e
100
What kind of natural disaster most likely causes air pollution? A forest fire B earthquake C heat wave D hurricane
What is A forest fire ?
100
A student viewed plant and animal cells under a microscope. She saw material that filled most of the cells and held all the other cell parts in place. What cell part did the student see? A cell wall B cytoplasm C chloroplast D cell membrane
What is B cytoplasm
100
3. A lion gets energy from eating other animals. Which of these also eats other animals? A cow B goat C wolf D rabbit
What is C wolf
100
4. Which producer can survive in an open ocean? A algae B sea horse C sea grass D coral
What is A algae
100
Sheep are grazing animals and feed mostly on grasses. What would happen if too many sheep were kept in an area for too long? A The amount of grass growing would increase. B The grass growing would decrease. C other animals would leave. D The sheep would gain weight.
What is B The grass growing would decrease.
200
What kind of environmental change would threaten the survival of a fish species in a river? A an increase in the number of prey species within the river B a decrease in the amount of poisonous chemicals being released into the river C an increase in the release of chemicals that cause male fish to develop female traits D a decrease in the number of people who fish in the river
What is C an increase in the release of chemicals that cause male fish to develop female traits
200
In some ecosystems, foxes depend on mice and other small animals for food. What would happen if the number of foxes decreased? A The number of other predators would decrease. B The number of other predators would increase. C The mouse population would increase. D The mouse population would decrease.
What is C The mouse population would increase.
200
A tapeworm survives by attaching itself in the intestine of animals such as cows. The tapeworm eats the cow’s food and the cow becomes ill. What relationship does a tapeworm and a cow share? A predator-prey B parasite-host C mutalism D commensalism
What is B parasite-host
200
Heat flows from a a warmer object to a cooler object. b warmer object to a very hot object. c cooler object to a warmer object. d cooler object to a very hot object.
What is a warmer object to a cooler object.
200
The explosion of a star is called a a nebula. b a supernova. c .a protostar. d. gravitational microlensing
What is b a supernova.
300
In the nucleus of an atom, a particle that has a positive electrical charge is a(n) proton .
What is proton .
300
Stars form from a cloud of gas called a a constellation b nebula. c universe. d neutron star.
What is b nebula.
300
A tapeworm survives by attaching itself in the intestine of animals such as cows. The tapeworm eats the cow’s food and the cow becomes ill. What relationship does a tapeworm and a cow share? A predator-prey B parasite-host C mutalism D commensalism
What is B parasite-host
300
A student is trying to determine if the composition of ice cubes affects the melting point. Which will be the best investigation to use? A Freeze pure water in 3 identical ice cube trays, and then place each tray on a table in different rooms. B Freeze pure water, sugar water, and salt water in 3 identical ice cube trays, and then place the trays side by side on the same table. C Freeze pure water in 3 different-sized ice cube trays, and then place each tray on a different table in the same room. D Freeze pure water, sugar water, and salt water in 3 different-sized ice cube trays, and then place the trays side by side on the same table.
What is B Freeze pure water, sugar water, and salt water in 3 identical ice cube trays, and then place the trays side by side on the same table.
300
One difference between an animal cell and a plant cell is that F only plant cells have a nucleus. G only animal cells have a cell membrane. H only animal cells have a chloroplast. J only plant cells have a cell wall.
What is J only plant cells have a cell wall.
400
Which phase change takes place when heat energy is removed from water? F liquid to gas G liquid to solid H solid to liquid J solid to gas
What is G liquid to solid
400
All the living and nonliving things interacting in an environment make up a(n) ______________________
What is ecosystem?
400
The establishment of a new community where a community had already existed is called
What is secondary succession?
400
The passing of traits from one generation to the next is called
What is heredity?
400
A way of acting or behaving with which an animal is born is called a(n)
What is instinct
500
Phobos and Deimos are the names of Mars’s
What is moons?
500
A large object that orbits a star but does not give off its own light
What is planet?
500
the path a planet takes as it moves around the Sun
What is orbit?
500
Callisto, Io, Europa, and Ganymede are the
What is Galilean moons.
500
How fast an object’s position is changing over time is the object’s
What is speed?