Physical Science

Physical Science

Pages 1-11

Words to Know

• Atom- The smallest Chemical unit of matter.

• Molecule- Two or more atoms linked together to make a substance with unique properties.

• Elements- Substances made of billions and billions of the same atom.

• Compounds- Substances made up of billions and billions of molecules.

• Mixtures- Several different Substances, each of which is made up of either atoms or molecules.

Words to Know (cont.)

• Units- a decimal unit of measurement of the metric system. 

• Mass- The exact amount of matter in a object.

• Gram- Metric systems unit for mass.

• Newton- Metric systems unit for weight

• Slug- The English unit for weight.

Words to Know (cont.)

• Meter- The metric system unit for distance.

• Foot- The English unit for distance.

• Liter- The metric systems unit for volume.

• Seconds- English and metric systems unit for time.

• 
  

Common Prefixes used in the Metric system

• Milli (m)- 0.001- One thousandth

• Centi (c)- 0.01- One hundredth

• Kilo (k)- 1,000- One thousand

• 
  

Multiple Choice

Atoms are the______unit of matter.

• Roundest

• Bumpiest

• Smallest

• Largest

Multiple Choice

Atoms are so_______that you cannot see them.

• Huge

• Clear

• Small

• Fast

Multiple Choice

Images of atoms produced by scanning tunneling electron microscopes are not pictures, but are the result of computer_________.

• Calculations

• Knowledge

• Graphics

• Hardware

Multiple Choice

Scanning tunneling electron images are part of the large amount of ________evidence that indicates atoms exits.

• conclusive

• theoretic

• concrete

• legit

Multiple Choice

When two or more atoms link together, they form a ______, which has its on unique properties.

• Compounds

• Molecule

• Mixture

• Element

Multiple Choice

When a substance is made of billions and billions of the same atom,it is called an ______.

• Compounds

• Molecule

• Mixture

• Element

Multiple Choice

Substances made up of billions and billions of the same molecule are called_______.

• Compounds

• Elements

• Mixtures

• Atoms

Multiple Choice

Some substances called_____,are made of more than one kind of atom or molecule.

• atoms

• mixtures

• compounds

• molecules

Multiple Choice

When making measurements, the ______we report are just as important as the numbers.

• facts

• number

• units

• centimeters

Multiple Choice

he base metric unit for mass is the ____.

• Meter

• Gram

• Liter

• Second

Multiple Choice

The English unit for mass is the______.

• Slug

• Gram

• Liter

• Quart

Multiple Choice

The base metric unit for weight_____.

• Pound

• Newton

• Kilo

• Gram

Multiple Choice

Although the weight of an object varies depending on gravity, the _______does not.

• inches

• Liters

• Pounds

• Mass

Multiple Choice

The base metric unit for length is the_______.

• slug

• meter

• newton

• foot

Multiple Choice

What is the base English unit for length________?

• meter

• slug

• foot

• newton

Multiple Choice

The base metric unit for volume is the______.

• Meter

• Gallon

• Foot

• Liter

Multiple Choice

The English unit for volume is the_____.

• Gallon

• Newton

• Liter

• Slug

Multiple Choice

In the metric system, prefixes govern the_______of a unit.

• reflection

• status

• Measurement

• volume

Multiple Choice

The "milli" prefix means ________.

• one thousandth

• one tenth

• one hundredth

• one hundred