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# 6th U 3.1 Science

### 6th U 3.1 Introduction to Matter

Anything that has mass and takes up space. Matter
___ and ___ are not matter. Light and sound
___ describes the amount of matter in an object. Mass
A ___ is the unit of mass we use most often. Gram
___ is a measure of the gravitational force on an object. Weight
Gravitational force keeps objects on Earth from floating into ___. Space
The greater the mass of an object is the greater the ___ force on the object, and the greater the object's weight will be. Gravitational
Mass is often measured by using a ___. Triple-beam balance
Weight is measured with devices such as the ___. Spring scale
Weight is a measure of gravitational force, it is given in units of force such as ___. Pounds
The standard scientific unit for weight is the ___ Newton (N)
One newton is about ____ of a pound. One-fourth
All matter takes up space. The amount of space that an object takes up, or occupies, is known as the objects ___. Volume.
To find the volume of objects with well-defined shapes, such as a rectangle, you use ___. Formulas
The volume of a solid is measured in units of length ___ Cubed (3)
___ are used to measure liquid volume. Graduated cylinder
The volume of liquids is often expressed in ___ or ___. Liters (L) or milliliters (mL)
When an object is placed in water, the object pushes the water out of the way. This is called ___. Displacement
Displacement can be used to measure the volume of an ___ shaped object. Irregularly
When using water displacement remember that 1mL of water is equal to __. 1 cm3
__ and ___ are properties of all substances that are related to another property called density. Mass and Volume
___ is a measure of the amount of mass in a given volume. Density
Which has the most density, a cup of water or a bucket of water? Neither, density remains the same n a given substance.
The formula for density is ____. mass divided by volume
___ is the amount of space that matter in an object occupies. Volume
___ is anything that has mass and takes up space. Matter
___ is the amount of matter in an object. Mass
___ is the measure of the amount of matter in a given amount of space. Density
___ is the measure of the gravitational force on an object. Weight
How do you know that air is matter? Because it takes up space and has mass.
Is it possible for an object's weight to change while its mass remains constant? Weight is the gravitational pull of an object. We would weigh less on the moon, less gravitational pull, than we do on Earth. Mass is the amount of matter in an object. We would have the same mass on the moon as we do on Earth.
Created by: wmeeks