# EMS 7 Science 3.1 Review of Vocabulary Chapter 3, Lesson 1

Question | Answer |
---|---|

A system of units used by scientists to measure the properties of matter | International system of Units (SI) |

A system of measurement based on the number 10 and developed in the 1790s | Metric System |

A measure of how much matter is in an object | Mass |

A measure of the force of gravity acting on an object | Weight |

The amount of space that matter occupies | Volume |

A measure of how much matter is in an object | Mass |

The curved upper surface of a liquid in a column of liquid | Meniscus |

The measurement of how much mass of a substance is contained in a given volume | Density |

Scientists use ________ units of measurement, rather than nonstandard units (like body parts) to minimize confusion and to be able to communicate accurately with other scientists all over the world | standard |

The prefix kilo- (k) means… | 1,000 |

The prefix milli- (m) means… | 0.001 |

The prefix centi- (cm) means… | 0.01 |

What would change if you were on Mars, your mass OR weight? | weight |

The basic SI unit for measuring length is the … | meter |

On what mark do you start measuring with a metric ruler or meter stick? | zero |

What unit would you use to measure long distances (like those between cities)? | kilometer |

How many centimeters are in a meter? | 100 |

How many millimeters are in a centimeter? | 10 |

What tool do you use to find the mass of an object? | balance |

What is the SI unit for measuring mass? | kilogram |

What is the SI unit for measuring weight? | Newton |

To find the mass of large objects like cars, people or bicycles, you would use which unit? | kilograms |

To find the mass of smaller objects like a pencil, a paperclip or a candy bar, you would use which unit? | grams |

Your mass on the moon is the same as your mass on the earth…true or false? | true |

There are 100 milligrams in a gram…true or false? | false |

What tool is used to measure weight? | scale |

In SI, the basic unit for measuring volume is the… | cubic meter |

When finding the volume of liquids, what unit do you use? | liter |

Where should you read the meniscus? The top or the bottom? | bottom |

The white board eraser is 7cm long, 3 cm wide and 1 cm high… what is the volume of the eraser? | 21 cm3 |

You can use the ____________ method to find the volume of irregular solids | displacement |

The SI unit for measuring density is …. | kg/m3 |

If you want to decrease the density of an object you would ________ its volume (or spread its mass out over a greater area) then it might float. | increase |

Which is more dense, a beach ball or a bowling ball? | bowling ball |

If you have a piece of bread, and you want it to sink, rather than float, you would smoosh it into a ball (or ________ its volume) to increase its density. | decrease |

An orange has a mass of 60g and a volume of 20 cm3…what is its density? | 3 g/cm3 |

What is the density of water? | 1.0 g/cm3 |

A piece of wood has a density of 0.7 g/cm3, will it sink or will it float? | float |

All samples of pure substances (elements), no matter how large or small, have the same ______ | density |

The official SI unit for temperature is the… | kelvin |

Scientists like to use the Kelvin scale because its units are the same size as those in the celsius scale and there are no ________ numbers. | negative |

In the Celsius scale, water freezes at _ degrees | 0 |

In the Celsius scale, water boils at ___ degrees | 100 |

The SI unit used to measure time is the … | second |

What tool is used to measure temperature? | thermometer |

What tool is used to measure time? | stopwatch |

How many minutes are in an hour? How many seconds are in a minute? | 60 |

In order to find the density of an object, first you must know its ___ ___ _______ | mass and volume |

What is the abbreviation for the International System of Units? | SI |

What formula do you use to determine the volume of a rectangular solid? | l x w x h |

Anything that takes up space and has mass | Matter |

Shape, color, texture, size (including mass, weight, volume and density) are all __________ of matter | properties |

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