What does endangered mean?
a living thing that has a few left of its kind.
Animals such as bees help flowers reproduce in the process of _____________.
Pollination
The way a mineral splits is called
a. cleavage
b. hardness
c. luster
d. streak
a. cleavage
What is luster?
The way light reflects off the surface of a mineral.
What are all rocks made of?
Nonliving substances called minerals
What is the difference between Abiotic and Biotic?
Biotic is a living organism that shapes its environment, and Abiotic is nonliving things in an environment.
what is the definition of an ecosystem?
An Ecosystem is a community or group of living organisms that live and interact with each other in their environment.
what is the difference between Magma and Lava?
Magma is melted rock under Earth's surface and Lava is Melted rock when it reaches above Earth's surface.
Tiny particles of rocks pressed together in layers form _____________.
Sedimentary Rock
What is Chemical Weathering?
The erosion of rocks/minerals caused by chemical reactions
What is the definition of Magnet Field?
the area surrounding a magnet where the force is acting on another magnet or magnetic material.
Mimicry occurs when...
a. an animal sleeps during the day and is active at night
b. an organism cannot adapt to its environment
c. an organism is one of a few remaining of its kind
d. one organism imitates another organism
d. one organism imitates another organism
True or False
Metals are good insulators
False! They're good CONDUCTORS
What is the rock cycle?
It is the process in which rocks change from one form to another.
which type of rock is formed when melted rock cools near the Earth's Crust?
a. Igneous
b. Metamorphic
c. Sedimentary
d. Magma
a. Igneous
Magnetic Force is strongest at the
a. axis
b. center
c. magnetic field
d. poles
d. poles
When an electric current flows through one path its known as what?
A series circuit
A safety device that switches off dangerous currents is a what?
Circuit breaker
What is the difference between a conductor and insulator?
An insulator doesn't let electric currents flow easily, but a conductor does let electric currents flow easily.
When a large rock breaks into smaller pieces that process is called what?
weathering
Electric current produces a magnetic field in an ______________.
electromagnet
When an electric current flows through more than one path it is called a?
parallel circuit
The strength of a power source is its
a. charge
b. discharge
c. resistance
d. voltage
d. voltage
what is the definition of an electric current?
A continuous flow of electrical charges through a circuit.
What is Static electricity?
it is the buildup of an electric charge.