Earth Science
Which of the following would NOT erode soil?
a. a rainstorm
b. a river
c. a tornado
d. grass
D. grass
Describe a plastic-covered electrical wire.
a. an insulator covered by a conductor
b. a conductor covered by an insulator
c. a power source covered by a resistor
d. a resistor covered by a power source
B. a conductor covered by an insulator
A girl pulls her hand away from flames, plays the violin, laughs, and cries. Which of these is an example of a learned behavior?
a. crying
b. laughing
c. playing the violin
d. pulling her hand away from the flames
C. playing the violin
A good example of static electricity is
a. the current flowing through an electrical circuit
b. the current that flows through car jumper cables
c. a battery
d. lightening
D. lightening
Which statement explains why plant cells have chloroplasts but animals do not.
a. Plants reproduce from seeds, but animals do not.
b. Plants make their own food from sunlight, but animals do not.
c. Animals have bones and muscles for support, but plants do not.
d. Animals can move from one place to another, but plants cannot.
B. Plants make their own food from sunlight, but animals do not.
A scientist studies seismograms from an area near a coast. Which question can the scientist BEST answer with the seismogram?
a. How old are the cliffs along the coast?
b. When will the next earthquake occur?
c. How do ocean waves affect landforms?
d. What was the strength of an earthquake in the area?
D. What was the strength of an earthquake in the area?
Which of these is NOT a way to cause a physical change?
a. burning wood
b. cutting paper
c. tearing aluminum foil
d. folding a napkin
A. burning wood
Fungi are microorganisms that can be both harmful and helpful. Which of the following is an example of harmful Fungi?
a. measles
b. chicken pox
c. food poisoning
d. athlete's foot
D. . athlete's foot
Where are you most likely to encounter levees?
a. across rivers
b. in cities and towns
c. along the banks of rivers
d. at right angles to beaches.
C. along the banks of rivers
A tsunami is a large wave of water, generated deep in the ocean. What process often generates a tsunami?
a. seafloor spreading
b. a deep sea trench
c. an earthquake
d. an eclipse
C. an earthquake
How do storm drains help prevent flooding?
a. They act like levees.
b. They move storm water to dams.
c. They block storm water from streets and houses.
d. They allow storm water to flow into nearby waterways.
D. They allow storm water to flow into nearby waterways.
Which of the following describes how an electromagnet is different from a bar magnet.
a. An electromagnet does not have a magnetic field.
b. An electromagnet does not attract iron.
c. An electromagnet has only one pole.
d. An electromagnet can be turned on and off.
D. An electromagnet can be turned on and off.
Which characteristic below is ONLY true of reptiles?
a. lays eggs
b. has hair
c. is cold blooded
d. has dry scaly skin
D. has dry scaly skin
Which statement supports the argument that some microorganisms are helpful?
a. People use bacteria to make cheese.
b. Many diseases are caused by viruses.
c. Red Algae kills plant life and aquatic animals in ponds.
d. Farmers spray their crops with chemicals to prevent the growth of fungi.
A. People use bacteria to make cheese.
John notices a sudden movement of rock and soil moving down a hill. What is John noticing?
a. a landslide caused by gravity
b. a landslide caused by deposition
c. weathering caused by wind
d. weathering caused by water
A. a landslide caused by gravity
Which landform provides evidence that a destructive process changed Earth's surface?
a. delta b. sand dune
c. river canyon d. volcanic island
C. river canyon
Santos has a nail, electrical tape, a wire, a battery, paper-clips and a bar magnet. His goal is to make an electromagnet. Which of the items mentioned will he have left over after the electromagnet is complete?
a. the nail, the wire and the battery
b. the nail and the paperclips
c. the battery and the paper clips
d. the paperclips and the bar magnet
D. the paperclips and the bar magnet
Which item below is the part of the plant cell that is not in an animal cell?
a. nucleus
b. chloroplasts
c. cell membrane
d. vacuole
B. chloroplasts
A rabbit has two ears, brown fur, a swollen foot, and large front teeth. Which characteristic is MOST LIKELY an acquired physical trait?
a. two ears
b. swollen foot
c. brown fur
d. large front teeth
B. swollen foot
Which of these allows plants and animals to pass on traits to their offspring?
a. genes
b. chloroplasts
c. cell walls
d. tubes
A. genes
Over time, some ocean cliffs disappear, and the shoreline moves inland. Which Earth processes MOST LIKELY cause these changes? Select TWO.
a. erosion b. earthquake
c. deposition d. weathering
A. erosion
D. weathering
Sean has a purple piece of construction paper on his desk. His teacher asks him to name an activity that would chemically change the paper. Which of his answers is correct?
a. Pour water on the paper.
b. Squish the paper into a ball.
c. Eat the paper.
d. Put magnets on the paper.
C. Eat the paper.
Which characteristic listed places plants in a group separate from animals?
a. They are multicellular
b. They are vertebrates
c. They make their own food
d. They reproduce
C. They make their own food
Which is the BEST evidence that plants and animals are made up of tiny cells?
a. Scientists us microscopes to study and make images of plant and animal cells.
b. Plant and animal cells have similar parts
c. Scientist believe cells are the building blocks of living things.
d. Some plant cells are visible with a hand lens.
A. Scientists us microscopes to study and make images of plant and animal cells.
Which of these is a flat, fan-shaped area of land that forms near the mouth of a river?
a. floodplain
b. delta
c. dune
d. beach
B. delta