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Matter and Energy
4th Grade
Question | Answer |
---|---|
What is buoyancy? | A force that causes less dense objects to float or rise to the surface of a gas or liquid. |
What is volume? | It is the amount of space an object or substance takes up. |
What is matter? | It is everything in the universe that has mass and shape. |
What is a mixture? | Two or more substances that DO NOT combine to form a new substance. |
What is Density? | It compares the amount of matter to the space it takes up. |
What is electricity? | It is the supply of electric current to power heating, lighting, appliances, and machines. |
What is a solution? | It occurs when different types of matter combine evenly with each other. |
What is mass? | It is the amount of matter something contains. |