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anything that takes up space and has mass
Matter
100
A form of matter that has a definite shapes and takes up a definite amount of space.
solid
100
The amount of matter making up an object.
mass
100
A form of matter that does not take up a definite amount of space and has no definite shape.
gas
100
A form of matter that takes up a definite amount of space and has no definite shape.
liquid
200
The amount of matter in a given space
density
200
Most countries use this system of measurement, based on units of 10.
metric system (or metric measurement)
200
The number of units that fit along one edge of an object
length
200
The amount of space an object takes up
volume
200
The number of square units that cover a surface.
area
300
The upward force of a liquid or gas that keeps things afloat
buoyancy
300
Mass can be measured in these units
kilograms
300
What causes air particles to move more quickly?
adding heat
300
The measure of the pull of gravity between an object and the Earth.
weight
300
What are 4 common units of metric measurement?
centimeter, meter, kilometer, decimeter, liter, milliliter, gram, kilogram,
400
What is another name for customary measurement?
English system
400
In the metric system, liquid is measured in this unit
liters
400
Characteristics that help identify matter (such as color, texture, and shape)
properties
400
How could you find the volume of a rock?
First measure the volume of water in a container, then add the rock to the container of water and remeasure. The amount the volume increases is the volume of the rock.
400
Does ice have more or less density than water? How do you know?
Ice is less dense because it floats.
500
Gravity depends on what 2 things?
the mass of an object and distance between them
500
A box has a length of 10 units, a width of ten units, and a height of 10 units. How can you find the volume of the box?
Multiply length x width x height (or count the cubes) to find the cubic units.
500
What are the 3 "R's" that can help reduce pollution? Explain how each helps stop pollution.
Reduce: Use less packaging so there is less trash. Recycle: To remake trash into a different item so there is less garbage thrown away. Reuse: Find a way to use items again instead of throwing them away.
500
A book's cover is 11 inches long and 8 inches wide. How can you find the area of the book cover?
Multiply the length x width (or measure the book into one inch squares and count the squares) to find the number of square inches.
500
What is a "newton"?
the metric unit for weight