Properties of Matter and Scientific Notation

Anything that has mass and takes up space is called

• volume
• matter
• magnetism
• electricity

What is a physical property?

• can be observed or measured without changing the composition of matter

• characteristic of a substance that may be observed when it participates in a chemical reaction

• flammability, toxicity, chemical stability, and heat of combustion

• a chemical reaction

What is a chemical property?

• characteristic of a substance that may be observed when it participates in a chemical reaction

• can be observed or measured without changing the composition of matter

• States of matter include liquid, solid, and gaseous states.

• odor, boiling point, ability to conduct heat, ability to conduct electricity, ability to dissolve in other substances

What happens when sugar dissolves in water?

• Physical change because a new substance is formed

• Chemical change because a new substance is formed

• Physical change because the sugar is just getting smaller

• Chemical change because the sugar is just getting smaller

Which of these observations would likely be an indication of a chemical change?

• A change in odor when two substances are mixed

• A change in temperature when a hot substance is left standing in air

• A change in volume as a substance is heated

• The disappearance of a liquid as it boils

__________ is an example of something that is NOT matter

• air

• Mars

• light

• copper

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

How do you write
1001
in scientific notation?

• 1.0001 x 10⁴
• 1.01 x 10⁵
• 1.001 x 10³
• 10.1 x 10³

Express the following in scientific notation:
0.0000002203

• .02203 x 10⁷
• 22.03 x 10^-6
• 2.203 x 10^-7
• 22.03 x 106

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²
• 6.3 x 10⁶
• 5.1 x 10⁶
• 6.3 x 10⁸