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Science CRCT Review. At the mouth of a river that empties into an ocean a river delta is formed. The delta is a result of __________. Erosion Deposition Pollution Condensation. The Hawaiian Islands were formed as a result of _________. Deposition Hurricanes Glacier Volcanic activity.
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At the mouth of a river that empties into an ocean a river delta is formed. The delta is a result of __________. • Erosion • Deposition • Pollution • Condensation
The Hawaiian Islands were formed as a result of _________. • Deposition • Hurricanes • Glacier • Volcanic activity
The molecules in a gas _______. • Are packed close together • Stay close together • Do not stay close together • Form a regular pattern
The smallest particle of matter is called a/an __________. • Magnet • Mass • Atom • Molecule
Which of these tools is most useful for studying bacteria? • Telescope • Microscope • Binoculars • Two-pan balance
A vertebrate is an animal that ___________. • Has a backbone • Does NOT have a backbone • Is only found on land • Is only found in lakes and rivers
The holes in this rock were most likely formed by _____________. • A constructive force • A landslide • A sinkhole • Weathering and erosion
How do glaciers move materials? • Glaciers are pushed by sinkholes. • Glaciers cause magma to rise. • Glaciers push rock and soil in front of them. • Glaciers do not move.
A scientist has a sheet of paper. After an experiment, the paper has turned to ash. The scientist is investigating ___________ • Density • Mass and weight • Chemical changes • Physical changes
A pathway of an electric current that contains a power source and a conductor is called __________. • Electric circuit • Static electricity • Magnetic poles • Insulators
Which of the following is NOT an example of harmful bacteria? • Microorganisms that can cause food to spoil. • Bacteria cause cholera, an often fatal disease. • Microorganisms used to clean up an oil spill. • Bacteria causing food poisoning.
Which of the following is an example of a gymnosperm? • A tomato plant • A wildflower • An apple tree • A fir tree
Water and winds are the two forces that cause __________. • Earthquakes • Glacier • Erosion • Volcanoes
Which of the following is used for flood control? • Dams • Levees • Windbreaks • Both a and b
Which of the following is NOT an example of a physical change? • A melting popsicle • Breaking a window • Paper burning • Water evaporating from a puddle
A bicycle is left out in the rain and rusts. What kind of change is this? • Physical change • Chemical change • Energy change • Change of state
Animals that spend part of their lives in water and part on land are called _____________ • Fish • Reptiles • Amphibians • Mammals
Which cell part is found in plant cells but not in animal cells? • Cell membrane • Nucleus • Cell wall • Cytoplasm
By studying the wavy lines of a seismograph, scientists can _________. • Prevent earthquakes • Cause earthquakes • Ignore earthquakes • Measure earthquakes
Erosion and weathering are examples of ________. • Constructive forces • Destructive forces • Surface features • Land build up
What makes an electromagnet different from a bar magnet? • Only an electromagnet attracts materials made of iron • Only an electromagnet can be turned on and off • Only a bar magnet has a magnetic field • Only a bar magnet has poles
Which of the following is NOT needed to make an electromagnet? • A bar magnet • Wire • An iron core to wrap the wire around • Energy source (battery)
An animal that does NOT have a backbone is called a/an __________. • Carnivore • Herbivore • Vertebrate • Invertebrate
________ play(s) a role in the transfer of traits from parents to offspring. • Genes • Cell membrane • Cytoplasm • Chloroplast
What are two surface features that can result from magma pushing up Earth’s crust? • Glacier and a fold mountain • Weathering and erosion • Landslide and sinkhole • A dome-shaped mountain or a volcano can form
What term describes a mass of snow and ice in motion? • Loss deposition • Glacier • Outwash • Abrasion
A change in matter that produces new kinds of matter is called a _________. • Chemical change • Physical change • Change in state • Particle change
You have a battery and a bulb. What else do you need to make a simple circuit? • Wires • Insulator • Static electricity • A source of electric current
How does this single-celled organism move? • By trapping nutrients • By latching onto a bacteria • By moving its tiny hair-like structures • By moving its tail back and forth
Plants can be sorted into two major groups _________ and ________. • Flowering and non-flowering • Vascular and non-vascular • With cells and without cells • Large and small
The Grand Canyon was formed as a result of __________. • A volcano • An earthquake • Erosion • A glacier
_____________ is any process that changes a rock’s chemical composition. • Mechanical or physical weathering • Chemical weathering • Oxidation • Erosion
A build up of electric charge is called ___________. • Electrically neutral • A like charge • Static electricity • An unlike charge
Which direction does a needle of a compass always point? • North • South • East • West
Vertebrates can be sorted into ___________ groups. • 2 • 3 • 4 • 5
Why don’t animals have chloroplast? • Chloroplast are used to make food in a plant cell • Chloroplast are used as the brain center of an organism • Chloroplast are only found in single-celled organisms • Chloroplast are responsible for learned behaviors.
What are two surface features that can result from magma pushing up Earth’s crust? • Glacier and a fold mountain • Weathering and erosion • Landslide and sinkhole • A dome-shaped mountain or a volcano can form
The carrying away of sediment by moving water, wind or moving ice is called ___________. • Weathering • Sediment • Erosion • Wind
Which of the following shows energy being taken away from something? • Sun shining on a parking lot • A cup of warm water being placed in a refrigerator • Solid iron is melted • A snowman melting
Which of the following is NOT an example of a series circuit? a. c. b. d.
Which of the following is NOT an example of an inherited trait? • Shape of face • Eye color • Tying shoes • Blood type
Which of the following vertebrates is cold-blooded but has lungs? • Fish • Mammals • Birds • Reptiles
A seismologist studies ________. • Weather • Plants • Earthquakes • fossils
Sand dunes are hills of sand that form in deserts and along seashores where winds are strong. Sand dunes are the result of __________ . • Erosion • Deposition • Pollution • Chemical weathering
Materials that electric charges do not move through easily are called __________. • Insulators • Conductors • Molecules • Atoms
The picture below shows an example of a molecule in its ________ state. • Solid • Liquid • Gas • Water vapor
Angiosperms are plants that ___________. • Do not have chloroplast • Grow on the sides of mountains but not in valleys • Do NOT produce flowers and fruit • Do produce flowers and fruit
Which of the following is an invertebrate? • Frog • Worm • Monkey • Bird
The changes that occurred in the picture below are probably due to _________. • Pollution • Erosion • Tornadoes • Condensation 2001 2011