Matter Review

What is a particle that is located on the outside of the nucleus? Electron

What is anything that has mass and takes up space? Matter

What is the amount of matter in an object? Mass What is mass measured with?

What is the pull of gravity on an object? Weight

Why does an ice cube melt at room temperature? The temperature of the ice increases

An apple has a mass of 14 grams. If Mrs An apple has a mass of 14 grams. If Mrs. Sabau cuts the apple in half and then measures the mass, the two apple pieces will have a mass of: _______ grams 14

This tells us how tightly particles are in an object: Density

Mrs. Sabau crushes a sugar cube into powder Mrs. Sabau crushes a sugar cube into powder. What has changed about the sugar? Shape Volume Mass Density

A compound What is the combination of two or more elements?

What is the charged particle in the nucleus of an atom? Proton

This is a pure substance that cannot be broken down anymore An Element

Scientists grouped 109 elements into a ____________ table. Periodic

The smallest unit of an element that has the properties of an element is: An atom

Matter can exist in many different forms Matter can exist in many different forms. These different forms are called ___________ of matter. States of Matter

The “brain” or the dense part of the atom is its Nucleus

Name two ways to separate a mixture Floating Use a filter Pick it out Use a magnet

Name the three states of matter. Solids, liquids, gases

This is a change that forms a new type of matter: Chemical Change

Boiling point and freezing point At an object’s boiling point, a ___________ changes to a ____________ At an object’s freezing point, a ___________ changes to a ____________ Solid, Liquid, or Gas

Physical Change or Chemical Change Coloring a piece of paper Frying an egg Mixing sugar and tea Burning a marshmallow Sour milk

Name the six steps of the Scientific Method in order. 1. Observations 2. Research 3. Hypothesis 4. Experiment 5. Data 6. Conclusion

A change in matter in which the type of matter stays the same Physical Change

Give an example of a mixture

If an object floats in water, it is ______ dense than the water

What are three signs of a chemical change? Fizzing, bubbling Formation of light and heat Unusual smell Change in texture Change in color

What are three ways to make a physical change occur? Cut, bend, tear, boil, freeze, dissolve