6th Gr Science Ch 1 & 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| __________ is anything that has mass and takes up space. | Matter
🗑
|
||||
| ___________ is the ability to do work or cause change. | Energy
🗑
|
||||
| ___________ is the study of the properties of matter and how matter changes. | Chemistry
🗑
|
||||
| What are the two groups of properties used to identify, describe, and classify matter? | 1) physical properties;
2) chemical properties
🗑
|
||||
| A single kind of matter that has distinct physical and chemical properties is called a ___________. | substance
🗑
|
||||
| Color, texture, odor, and the temperature at which a substance melts are example of ___________ properties. | physical
🗑
|
||||
| A substance that cannot be broken down into any other substances by chemical or physical means is an ____________. | element
🗑
|
||||
| A substance that is made of two or more elements chemically combined in a set ratio is a ____________. | compound
🗑
|
||||
| A ____________ is made from two or more substances--elements, compounds, or both--that are in the same place but are not chemically combined. | mixture
🗑
|
||||
| Two ways that mixtures differ from compounds | 1) The substances in a mixture keep their individual properties; 2) The parts of a mixture are not necessarily present in set ratios
🗑
|
||||
| What are 2 kinds of changes in matter? | physical changes & chemical changes
🗑
|
||||
| A change that alters the form or appearance of a material but does not make the material into another substance is a _____________ change. | physical
🗑
|
||||
| What are the 3 principal states of matter? | 1) solids; 2) liquids; 3) gases
🗑
|
||||
| A change in matter that produces new substances is a _____________ change. | chemical
🗑
|
||||
| Things that can occur in a chemical change or reaction: | 1) compounds may be broken down into elements; 2) elements may combine to form compounds; 3) compounds may change into other compounds
🗑
|
||||
| Is this a physical or chemical change? Milk turns sour. | chemical
🗑
|
||||
| Is this a physical or chemical change? Wood is chopped in half. | physical
🗑
|
||||
| Is this a physical or chemical change? Wood is burned. | chemical
🗑
|
||||
| Is this a physical or chemical change? Ice melts into liquid water. | physical
🗑
|
||||
| True or false: Energy is always involved when physical and chemical changes in matter occur. | true
🗑
|
||||
| Who named the atom? | A Greek philosopher, Democritus
🗑
|
||||
| Who developed the atomic theory? | John Dalton
🗑
|
||||
| What part of the atom has a positive charge? | proton
🗑
|
||||
| What part of the atom has no charge? | neutron
🗑
|
||||
| What part of the atom has a negative charge? | electron
🗑
|
||||
| What parts of the atom make up the nucleus? | protons and neutrons
🗑
|
||||
| Where is most of the atom's mass? | the nucleus
🗑
|
||||
| Where in the atom are the electrons found? | on the electron shells or orbitals
🗑
|
||||
| How many electrons can the first shell hold? | 2
🗑
|
||||
| How many electrons can the second shell hold? | 8
🗑
|
||||
| How many electrons can the third shell hold? | 18
🗑
|
||||
| If you add food coloring to water, is that a physical or chemical change? | physical
🗑
|
||||
| If a bicycle is rusting, is that a physical or chemical change? | chemical
🗑
|
||||
| If you mix sugar in water, is that a physical or chemical change? | physical
🗑
|
||||
| Is this a physical or chemical property? state of matter | physical
🗑
|
||||
| Is this a physical or chemical property? flammability | chemical
🗑
|
||||
| Is this a physical or chemical property? boiling point | physical
🗑
|
||||
| Is this a physical or chemical property? shape | physical
🗑
|
||||
| Is this a physical or chemical property? reaction with acid | chemical
🗑
|
||||
| Is this a physical or chemical property? weight | physical
🗑
|
||||
| Is this a physical or chemical property? oxidizing | chemical
🗑
|
||||
| Is this a physical or chemical property? rusting | chemical
🗑
|
||||
| Is this a physical or chemical property? magnetic | physical
🗑
|
||||
| Is this a physical or chemical change? toasting marshmallows | chemical
🗑
|
||||
| What state of matter are ice cubes? | solid
🗑
|
||||
| What state of matter is water? | liquid
🗑
|
||||
| What state of matter is water vapor? | gas
🗑
|
||||
| What is it called when a liquid changes to a solid? | freezing
🗑
|
||||
| When a substance changes from a solid to a gas WITHOUT passing through the liquid state, what word describes the change? | sublimation
🗑
|
||||
| The "fog" created by dry ice at room temperature is an example of _________________. | sublimation
🗑
|
||||
| What is it called when a gas changes to a liquid? | condensation
🗑
|
||||
| What state of matter has a definite shape and a definite volume? Its atoms are tightly packed. | solid
🗑
|
||||
| What state of matter has an indefinite shape, but a definite volume? It takes the shape of its container. | liquid
🗑
|
||||
| What state of matter has an indefinite shape and an indefinite volume? The atoms are spaced far apart and often collide. | gas
🗑
|
||||
| What is it called when a solid changes to a liquid? | melting
🗑
|
||||
| What is it called when the surface of a liquid is changing into a gas? | evaporation
🗑
|
||||
| What is it called when a liquid becomes a gas, either through evaporation or boiling? | vaporization
🗑
|
||||
| The energy that the particles of a substance have is called ________ energy. | thermal
🗑
|
||||
| The resistance of a liquid to flowing is called _________. | viscosity
🗑
|
||||
| Do liquids with high viscosity flow quickly or slowly? | slowly
🗑
|
||||
| When clouds form from water vapor in the sky, this is an example of __________. | condensation
🗑
|
||||
| When liquid water changes into water vapor, this is an example of _____________. | vaporization
🗑
|
||||
| When a rain puddle dries up, this is an example of ___________. | evaporization
🗑
|
||||
| To change from a solid to a liquid (requires heat or gives off heat). | requires heat
🗑
|
||||
| To change from a gas to a liquid (requires heat or gives off heat). | gives off heat
🗑
|
||||
| To change from a liquid to a solid (requires heat or gives off heat). | gives off heat
🗑
|
||||
| To change from a liquid to a gas (requires heat or gives off heat). | requires heat
🗑
|
||||
| How do we change from one state of matter to another? | add or take away heat
🗑
|
||||
| Anything that has mass and takes up space (has volume) is ________. | matter
🗑
|
||||
| The measure of the total amount of matter in any object is its _________. | mass
🗑
|
||||
| Volume is expressed in what units? | liter, milliliter, and cubic centimeters
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Triana Silliman
Popular Chemistry sets