Vocabulary
Anything that takes up space and has mass
What is matter
what is a characteristic of matter that you can observe or measure directly
what is a physical property
Says that you cannot make or destroy new matter
What is the law of conservation of mass?
I have a definite shape and volume
And
give an example
What is a solid?
What is attracted by magnets?
What is iron?
The amount of matter in an object is its
what is mass
You use this to measure mass
True or False: you cannot change matter into a new form
What is false
I have a definite volume but not a definite shape?
And
give an example
What is a liquid?
Give an example of something not attracted by a magnet?
anything plastic/non iron
the amount of matter present in a certain volume of a substance
Name 5 physical properties of matter
what are: shape, mass, texture, color, odor, hardness, density, volume, magnetism
True or False: an ice cube has the same amount of mass as the ice cube melted into water
what is true
I don't have a definite volume or shape
and
give an example
what is a gas
The space around the magnet in which the force of the magnet acts
What is the magnetic field
the process by which a liquid changes into gas
what is evaporation
True or False: Objects that are less dense than water float.
AND
Give an example of something that has buoyauncy
What is true: a container of foam
What do you use to measure mass?
what is a pan balance
The particles in a gas move faster or slower than a liquid and solid? Why?
What is faster because the gas has the least amount of definite shape and volume
What are the two poles of a magnet?
What 2 poles need to be touching for them to attract?
South and North; opposite
the process by which gas changes into liquid
what is condensation
How do you find the volume of an object? What is the volume of an object 3 inches long, 3 inches wide, and 3 inches tall?
27in cubed
If on one side of the pan balance I had 30 kg of material and the other side I had 27 kg of material, what is the total mass I have?
what is 57 kg?
The process of liquid becoming a solid.
The process of a solid becoming a liquid.
The process of a liquid becoming a gas.
The process of a gas becoming a liquid.
freezing; melting; evaporation; condensation
2. What are electromagnets
1. Computer, train, mri, junkyard
2. electromagnets are objects that aren't normally magnets, but become magnets when an electric current is flowing and connected to them