Unit E Physical Properties
_____ is all of the gases, liquids, and solids in the world around you. It is anything that has mass and volume. It is anything that has mass and takes up space. (E6)
An object's ______ is a measure of the amount of matter in an object compared to known masses. (E6)
_______ is a measure of how much space an object of matter takes up. (E6)
________ is a measure of the force of gravity between Earth and an object. (E7)
_______ is a measure of how tightly packed the matter in an object is. (E8)
Materials that allow energy to flow through them easily. (E14)
Materials that prevent heat from passing through. (E14)
newtons(N) or pounds (lbs)
1 newton =
0.22 pound (lb)
1 pound (lb) =
4.45 newtons (N)
A __________ is used to measure mass.
Mass is often measured in ___________.
To measure force, Scientists use a quantity called the
An object's weight depends on its
location in the universe
The _________ of an object tells us how massive something is for its size.
As long as conditions such as _________ do not change, the density of a substance does not change.
Each _________ has its own density.
The property called _________ is a measure of how tightly packed matter is.
As more matter gets packed into the same amount of space, the material's density __________.
Air is much less dense than water, so a beachball filled with air ___________.
An object's ability to float is called its ___________.
Objects have enough buoyancy to float when they are less ________ than the liquid in which they are placed.
When material's _________ energy well, they allow energy to flow through them easily.
When material's __________ against the passage of energy, they do not readily permit energy to flow.
Metals like copper are good _________ of electricity.
A _________ has north and south poles.
Opposite poles ________ one another.
Engineers and scientists use ____________ of matter when they design and build things.
Materials with very low density and relatively great strength, called ____________, are very good insulators against heat.
What happens to the mass of the astronaut on the Moon?
It stays the same
An object's mass divided by its volume gives us its ____.
What makes things sink or float?
It all depends on density, or how much matter an object has for its size.
If the object's density is less than water's density, the object will _________ in water.
If the object's density is greater than water's density, the object will _________ in water.
All of the gases, liquids, and solids in the world around you -- the air you breathe, the water you drink, and the chair you sit on -- are made of _________.
Testing to see whether a golf ball or a balloon is "more" measures ____________ of matter in these objects.
A golf ball has more _________ than a balloon because it tips the balance more.
A balloon has more _________ than a golf ball because it fills up a greater amount of space.
Volumes are often measured in ______________.
The volume of a liquid may be measured using a _________, _________, or a __________.
a measuring cup
The volume of a solid may be measured by multiplying its _______ X its _______ X its _______.
height X length X width
Solids don't always have regular _________.
Another way to measure the volume of a solid is by seeing how much ___________ it displaces from a container.
A solid with a volume of 1 cm3 will make the water rise _________.
A volume of 1 cm3 = ___________.
Matter is defined using the properties of _________ & __________.
mass & volume
A book's __________ is actually the force of gravity between Earth and the book.
A book's mass is a measure of the amount of _________ in the book compared with known masses.
To measure weight, use a quantity that describes the ________ of gravity between to masses.
________ & _______ both describe the amount of pull or push a force produces.
Newtons & Pounds
If you travel to the moon would you have less or more weight.
The Moon has less mass than Earth, so the force of gravity between your body and the Moon would be ____.
What are two properties of matter _________ & ________?
Mass & Volume
No matter whether you are on earth or the moon, your mass would remain ________.
What changes as the astronauts go from Earth to the Moon?
On earth an astronaut who weights 1,200N would weigh _________ on the moon.
An astronaut with a mass of 120 kilograms (kg) on Earth, would have a mass of _______ kilograms (kg) on the moon.
120 kilograms (kg), Mass remains unchanged
Mass and Volume are two properties of __________.
An object's density is calculated by dividing _______ by ________ .
its mass by its volume
How to Calculate Density: If 2 mL of water has a mass of 2g, then 2g divided by 2mL = ___________.
1g per mL
Each material has its own ___________.
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