A copper wire is an example of a ___________.
conductor, insulator, magnet, power source
What is conductor
Which of the following is a constructive force?
deposition, weathering, erosison, earthquake
deposition
Two balloons move closer when they are placed close together. What is the BEST explanation? A. They are magnetic. B. They have the same electrical charge. C. They have opposite electrical charges. D. They have no electrical charge.
What is C. They have opposite electrical charges.
Which of the following would a magnet attract?
wooden match, aluminum can, iron nail, plastic bottle
Iron nail
When water freezes into ice, what type of change takes place?
physical, chemical, magnetic, electrical
What is physical
Which of the following is not found in animal cells?
cell membrane, cell wall, nucleus, cytoplasm
cell wall
What type of force does a volcano demonstrate?
constructive, destructive, both, neither
Both
Which characteristic belongs to the animal class?
covered in scales, breathes with gills, gives live birth, has feathers
gives live birth
When a piece of paper is burned, what type of change takes place?
magnetic, chemical, electrical, physical
What is chemical
What is a benefit to using wetlands 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 make water evaporate faster.
What is C. They absorb the water during a flood.