Constructive or Destructive
What does constructive mean?
Forces that build up features on Earth's surface.
What is an electric charge?
The balance of electrons and protons in an object.
An electromagnet is a ____ magnet that uses electricity to produce magnetism.
Temporary
What shape are plant cells?
Rectangular
What shape is an animal cell?
Rounded
What does destructive mean?
Forces that break down features on Earth's surface.
What is static electricity?
Electric charge that builds up on a material.
What is a permanent magnet?
A magnet that retains its magnetism after the removal of a magnetic force.
What does DNA determine about a plant?
How it looks
The ___ is the control center of the cell.
Nucleus
Name a destructive force.
Weathering, erosion
What is current electricity?
Stream of charged particles moving through an electrical conductor.
What is a temporary magent?
A magnet that is only magnetized when exposed to a magnetic field or electrical current.
What is the function of cytoplasm?
It helps maintain the shape of the cell, while holding organelles in place
The cell membrane is a protective ____ that allows some things to pass through it while ____ others.
Barrier; blocking
Name a constructive force.
Mountain, sand dune, tectonic plates colliding
True or False.
A circuit is an opened path.
False
A magnetic field is the area around a _____ or moving electric charge in which there is a magnetic force.
Magnet
What are chloroplasts?
Tiny, green structures found inside plant cells that make food.
A gel-like fluid that fills the cell.
Cytoplasm
Is wind a constructive force or a destructive force?
Both; it can erode and transport materials (destructive) and it can deposit those materials to create new landforms (constructive)
What is a conductor?
What is an insulator?
Material that allows the flow of electricity.
Material that resists the flow of electricity.
What does it mean when a magnet attracts?
What does it mean when a magnet repels?
A force or a pull caused by electrically charged particles.
A force or a push caused by electrically charged particles.
What is something that a plant cell has that an animal cell does not have?
Cell wall
True or false
The cytoplasm is important to all functions of the cell.
True