A combination of two or more substances that retain their individual properties. Example: A salad is a mixture because you can still see and taste the different ingredients.

A substance that dissolves a solute to form a solution. Example: Water is a common solvent used to dissolve sugar.

The ability of a substance to dissolve in a solvent. Example: The solubility of salt in water allows it to mix evenly.

The process of a substance breaking down and mixing with a solvent. Example: When you stir sugar into tea, it is dissolving.

A technique used to separate mixtures into their individual components. Example: Chromatography can show the different colors in ink.

Properties of Substances

The characteristics that define how substances behave and interact. Example: The properties of substances help scientists understand how to use them safely.

The act of combining two or more substances together. Example: Mixing substances like flour and water can create dough.

Matter Attraction Test

An experiment to observe how different materials attract or repel each other. Example: The matter attraction test showed that magnets can attract certain metals.

Information or facts that help support a conclusion or belief. Example: The evidence from the experiment showed that plants need sunlight to grow.

A conclusion drawn from evidence and reasoning rather than from direct observation. Example: My inference is that the ground is wet because it rained last night.

To watch carefully and attentively. Example: We will observe the changes in the mixture over time.

The act of noticing and recording something using the senses. Example: My observation was that the liquid changed color when I added the chemical.

Substances that help mix two liquids that usually do not mix well. Example: Mayonnaise is made with an emulsifier that helps oil and vinegar blend together.

A careful examination or inquiry into a topic or question. Example: We did an investigation to find out what happens when you mix baking soda and vinegar.

Density is how much mass is contained in a given volume. It helps us understand if something will float or sink. Example: A rock is denser than water, so it sinks when placed in a pond.

A physical change is a change in the form or appearance of a substance, but it does not change what the substance is made of. Example: When ice melts into water, it undergoes a physical change because it is still water, just in a different form.

A chemical change happens when a substance transforms into a different substance with new properties. Example: When wood burns in a fire, it undergoes a chemical change and turns into ash and smoke.

Sublimation is the process where a solid changes directly into a gas without becoming a liquid first. Example: Dry ice (frozen carbon dioxide) turns into gas when left out in the open, demonstrating sublimation.

The process where water vapor (gas) turns into liquid water. Example: When you see water droplets on a cold glass, that is condensation happening.

The process where liquid water turns into water vapor (gas). Example: When you leave a puddle in the sun, it will eventually disappear due to evaporation.

The process of turning a liquid into a solid by lowering its temperature. Example: Water turns into ice when the temperature drops below 0 degrees Celsius, which is called freezing.

The process of turning a solid into a liquid by increasing its temperature. Example: When you heat an ice cube, it starts melting and becomes water.

The amount of space that a substance (solid, liquid, or gas) occupies. Example: The volume of the water in the bottle can be measured in liters.

Changing States of Matter

The process of matter transitioning from one state (solid, liquid, gas) to another. Example: Water is unique because it can exist in changing states of matter as ice, liquid water, or steam depending on the temperature.

A technology that allows us to see very small things, like tiny particles or structures, that are too small for our regular eyes to see. Example: Scientists use nanovision to study the tiny details of cells and understand how they work.

Basic Concepts of Matter Flashcards

Student preview

32 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Matter

Back

Anything that has mass and takes up space. Example: The table is made of matter because it occupies space and has weight.

2.

FLASHCARD QUESTION

Front

Atoms

Back

The basic units of matter that make up everything around us. Example: An atom is so small that you cannot see it with your eyes.

3.

FLASHCARD QUESTION

Front

Molecules

Back

Groups of two or more atoms bonded together. Example: Water is made of two hydrogen atoms and one oxygen atom, forming a molecule.

4.

FLASHCARD QUESTION

Front

Properties of Molecules

Back

Characteristics that describe how molecules behave and interact. Example: The properties of molecules explain why oil and water do not mix.

5.

FLASHCARD QUESTION

Front

Solid

Back

A state of matter that has a definite shape and volume. Example: A rock is a solid because it keeps its shape and does not flow.

6.

FLASHCARD QUESTION

Front

Liquid

Back

A state of matter that has a definite volume but takes the shape of its container. Example: Water is a liquid because it can fill any glass or bottle it is poured into.

7.

FLASHCARD QUESTION

Front

Gas

Back

A state of matter that has no definite shape or volume and expands to fill its container. Example: Air is a gas that fills the balloon completely, taking its shape.

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