States of Matter
What are the three main states of matter?
Solid, liquid, gas
What property describes how something feels (rough, smooth, soft)?
Texture
Is wood a solid, liquid, or gas?
Solid
What happens when ice melts?
It changes from a solid to a liquid
What is the most common liquid on Earth?
Water
Which state of matter has a definite shape and volume?
Solid
What property tells us how well something can bend without breaking?
Flexibility
What material is transparent and used in windows?
Glass
What do we call it when water turns into ice?
Freezing
What is the hardest natural substance on Earth?
Diamond
Which state of matter takes the shape of its container but has a definite volume?
Liquid
What tool would you use to measure the mass of an object?
A balance or scale
What metal is used to make coins and is magnetic?
What process happens when water turns into water vapor?
Evaporation
Can air take up space?
Yes
Which state of matter has no definite shape or volume?
Gas
What property describes how well an object resists being scratched or dented?
Hardness
Name one material that is flexible.
Rubber, fabric, plastic, etc.
Is cutting paper a physical or chemical change?
Physical change
What do we call a gas that we need to breathe?
Oxygen
What process turns a liquid into a gas?
Evaporation
Name two properties that help classify a material.
Color, texture, hardness, flexibility, luster, magnetism, etc.
What is a material that does NOT let light pass through?
Opaque materials like wood or metal
What kind of change happens when wood burns?
Chemical change
What state of matter is lightning?
Plasma