A trait that is learned after an organism is born.
100
What is an example of a physical change?
Many Answers
100
Name two ways a volcano can be a destructive force.
Answers will vary.
100
What does a dam control?
The flow of water down a river.
100
True or False: Humans can cause erosion.
True
200
The control center of the cell is called the
Nucleus
200
What is an example of a chemical change?
Many Answers
200
Poor farming techniques led to what event in the early 20th century?
The Dust Bowl.
200
Is making ice cream a physical or chemical change?
Physical
200
How do scientists observe cells?
With a microscope.
300
True or False: The outermost part of an animal cell is the cell wall.
False. Only plant cells have a cell wall.
300
What are the smallest pieces of matter called?
Atoms.
300
Is an earthquake a constructive force?
Yes.
300
Name a nonvascular plant.
moss, liverwort...
300
What is an insulator?
A material that electric charges do not flow through easily.
400
What is a vertebrate?
It is an animal with a back bone.
400
Mass is the amount of _________ an object has.
Matter
400
Define weathering.
Breaking of rock into sediment.
400
Name three types of vertebrates.
fish, amphibians, reptiles, birds, mammals...
400
What is a conductor? Name an example.
A material that electric charges move easily through.
copper, aluminum, gold, silver, water, etc.
500
What is an example of a vascular plant?
Ferns, trees, flowers..
500
How do the particles of a solid, liquid, and gas move?
Particles in a solid move slowly and not far apart in a pattern. Particles in a liquid move faster and further apart. Particles in a gas move very fast and far apart in no pattern.
500
Define deposition.
The dropping or releasing of sediment.
500
Define density.
How tightly molecules of an object are packed together.
500
A circuit is made out of at least 3 parts. Name two parts.
power source (battery)
conductor (wire)
an object that uses the power (light bulb, refrigerator, etc.)