# Measuring Mass and Weight of Matter- exciting 3D Animation video

Attention Getting Question:
Would the mass and weight of your body be the same on the moon as it is on Earth? To answer that question, we must learn more about mass and weight.

Introduction:
What are Mass and Weight?
Mass is one of the properties of matter that can be measured. Mass is the amount of matter in a substance.
Weight is another property of matter that can be measured. Weight is a measure of the force or pull of gravity between two masses. Since we live on Earth, gravity on Earth is the pull towards the center of the earth. If we visited the moon, gravity there would be the pull towards the center of the moon. The strength of gravity varies depending on where you are in the Universe.
Subject:
What’s the Difference between Mass and Weight?
Mass and weight are often thought of as the same thing because the pull of gravity is almost the same all around the surface of the earth. So on Earth, we can compare the masses of objects by comparing their weights. Scientists prefer using mass to measure matter over weight because mass never changes no matter where you are in the Universe.
If we measure both the mass and weight of an object in a location where the pull of gravity is less than that of Earth, the mass would be the same and the weight would be less than it is on Earth.If we measure both the mass and weight of an object in a location where the pull of gravity is more than that of Earth, the mass would still remain the same and the weight would be more than it is on Earth.This is true because weight depends on gravity.
Comparing Mass and Weight on Earth and on the Moon
Let’s take a look at this boy. His weight on Earth is 75 pounds. If we measure his weight on the moon, his weight would only be 12.5 pounds because the pull of gravity is less on the moon than on Earth. His mass would be the same both on the earth and on the moon.
Tools for Mass and Weight
When we measure the mass and weight of matter, we use different tools. To measure weight, we use a scale. A scale uses gravity to measure the weight of a substance. When we measure mass, we use a balance. A balance measures the mass of a substance when it balances with an equal amount of standard masses.

Summary:
Mass and weight are two properties of matter that can be measured. Mass is the amount of matter in a substance and weight is a measure of the force or pull of gravity between two masses. A balance is used to measure mass anda scale is used to measure weight. Scientists use both to describe matter and you can, too!
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