Science Vocabulary (1 - First 9 Weeks)

Question 1

Chemical Change

Answer 1

• a change in one or more substances, caused by a reaction, that forms new and different substances

Question 2

Compound

Answer 2

• a substance made of two or more different atoms that have combined chemically
• a substance formed by at least two types of atoms that are chemically combined

Question 3

Conduction

Answer 3

• heat transfer between two objects that touch

Question 4

Constant Variable

Answer 4

• a variable in an experiment that does not change, no matter what
• it is held constant at all times throughout the experiment

Question 5

Control

Answer 5

• the experiment setup to which you will compare all the other setups

Question 6

Convection

Answer 6

• transfer of thermal energy by movement of a liquid or gas

Question 7

Density

Answer 7

• is found by dividing the mass of an object by its volume
• mass per unit of volume in a substance

Question 8

Dissolve

Answer 8

• when something breaks up into particles so tiny they can’t be seen even with a microscope
• when something is mixed into something else and disappears

- a substance mixed into something (liquid) to make a solution

Question 9

Element

Answer 9

• matter that is made of only one kind of atom

Question 10

Manipulated Variable

Answer 10

• any condition that can be changed in an experiment

Question 11

Mass

Answer 11

• the amount of matter in something

Question 12

Mixture

Answer 12

• a combination of two or more different substances in which the substances keep their identities\

- two substances physically combined and easy to separate

Question 13

Physical Change

Answer 13

• a change in which the form or shape of a substance changes but the substance still has the same chemical makeup

Question 14

Primary Source

Answer 14

• original materials/information that have not been filtered through interpretation or evaluation by a second party
• when someone or something states facts, opinions or observations that they have or have seen themselves
• a source that was recorded when the event happened

Question 15

Properties

Answer 15

• they are the characteristics used to describe or identify something

Question 16

Radiation

Answer 16

• transfer of energy in the form of waves
• transfer of thermal energy by electromagnetic waves

Question 17

Replicate

Answer 17

• to allow scientist to duplicate an experiment with the same conditions to test whether the same results occur

Question 18

Responding Variable

Answer 18

• the result of a change in the maniputed variable
• a value of measure, that came from the manipulated and controlled variables
• the one variable that changes as a result of altering the manipulating variables

- similar to the results

Question 19

Secondary Source

Answer 19

• sources that contain commentary on or a discussion about a primary source
• where an author cites another persons facts or opinions
• source based on other sources for example; a book about the event or a biography written by person A about person B

Question 20

Solute

Answer 20

• the substance dissolved in a given solution

Question 21

Solution

Answer 21

• a mixture that has the same composition throughout because all the parts are mixed evenly
• a mixture that has the same composition throughout

- a type of mixture where one substance can be dissolved by another

Question 22

Solvent

Answer 22

• a liquid used to dissolve a substance
• a substance that dissolves another to form a solution

Question 23

Spring Scale

Answer 23

• a tool used to measure force.
• force is a push or a pull

Question 24

Technology

Answer 24

• the use of scientific knowledge to solve practical problems, especially in industry and commerce
• anything that uses information from the field of science and math to solve problems

Question 25

Volume

Answer 25

• the amount of space a solid, liquid or gas takes up
• the amount of space something takes up