Vocabulary Words
______ is anything that takes up space and has mass.
Matter
This state of matter has a definite shape, and volume; and the molecules are packed tightly together.
A solid
square, rectangle, circle, and triangle all describe what physical property?
The shape of an object
What are magnets attracted to?
Metal (Iron, Nickel or Cobalt)
Energy that comes from movement or motion is called
Mechanical energy
_______ is the ability to cause change in matter.
Energy
The molecules in which state of matter are far apart and quickly moving?
a gas
What object is most likely 7 inches?
An ant
A pencil
A jump rope
A pencil
The ends of magnets are labeled N and S, Why?
The poles of the magnet are called the North pole and the South pole.
Thermal energy comes from the ___ and can be converted into __________ energy to power our homes.
Electrical
_______ a device that uses electricity to make things move.
Motor
A liquid
Use the physical properties of color, shape, texture, and mass to describe the table you're sitting at.
The table is brown, rectangle, smooth, and heavy.
The force around the magnet that pulls objects to it is called what? where is it the strongest at?
Magnetic Field and it is strongest at the poles
_________energy is stored energy of an object where as _______ energy is energy in motion.
Potential
Kinetic
_______ a change in one or more substances that forms new and different substances.
Chemical Change
If you cool down liquid water what state of matter will it turn in to? What do we call it in this state?
A solid called ice
What physical properties change when an ice cube melts?
color
Texture
shape
length
mass
Temperature
Volume
State
Hardness
Flexibility
shape
length
Temperature
State
Hardness
Flexibility
Magnets are in objects all around us, name an object in this classroom that uses magnets. It CANNOT be just a magnet stuck to something metal (ie. the hooks for the bathroom passes, or things on my desk.)
Speakers!
MELTS helps us remember the types of kinetic energy. What does the letters in the word MELTS stand for?
Mechanical
Electrical
Light
Thermal
Sound
_____________ is the total potential and kinetic energy of an object.
Mechanical energy
When a popcorn kernel is heated what type of change happens? Chemical or physical? and is it reversible?
A chemical change happens and it is irreversible.
What tool is used to measure the mass of an object?
A pan balance
Can a magnet cause objects to move without touching it? if so how can this be used to improve travel for humans?
Yes magnets can attract and repel objects without touching them. This can be used to propel trains on tracks instead of an engine.
What is the difference between a series circuit and parallel circuit?
A series circuit is a single pathway where as a parallel circuit is more than one pathway for the electricity to flow.