Chapter 2- Matter

Question 1

Chemistry

Answer 1

A part of Physical science that helps understand what an object is made of the properties of this object and how it interacts and changes.

Question 2

Matter

Answer 2

Matter is everything around you. Matter is anything that has mass and takes up space.

Question 3

Element

Answer 3

Anything on the periodic table and is made up of atoms

Question 4

Atom

Answer 4

Atoms are tiny and the basic unit of chemical elements

Question 5

Compound

Answer 5

Made up of two or more elements chemically combined.

Question 6

Molecules

Answer 6

Conjoined atoms to make substances

Question 7

Chemical formula

Answer 7

Combination of numbers and letters to model substances

Question 8

Pure substance

Answer 8

Single element or compound with physical and chemical properties.

Question 9

Mixture

Answer 9

Mixtures are substances that can be taken apart

Question 10

Heterogeneous mixture

Answer 10

A substance is not unevenly distributed

Question 11

Homogeneous mixture

Answer 11

Evenly disturbed and the same all the way

Question 12

Miscible

Answer 12

substances are mixed together.

Question 13

Immiscibe

Answer 13

Substances that will not mix together.

Question 14

Melting point

Answer 14

At which when the object starts to melt.

Question 15

Boiling point

Answer 15

When an object starts boiling

Question 16

Density

Answer 16

Calculated by dividing the mass by the volume.

Question 17

Reactivity

Answer 17

A substance to chemically combined to another substance.

Question 18

Flammability

Answer 18

Can burn a substance

Question 19

Chemical change

Answer 19

One or more substances are changed to something entirely new and can’t be changed back by a physical change.