Chapter 1-2

Question 0

Science

Answer 0

An organized way of gathering and analyzing evidence about the natural world

Question 1

Ostriches really have elephants and chickens

Answer 1

Observation-ask a question
Research-find out about the topic
Hypothesis-predict the outcome
Experiment-develop a procedure to test your hypothesis
Analysis-record your results
Conclusion-compare the results of your experiments

Question 2

Biology

Answer 2

The science of life and the study of living things

Question 3

Name the eight things that living things must have

Markers responded because great obtuse right angles make apples

Answer 3

Made of cells
Reproduce
Based on a universal genetic code
Grow and develop
Obtain and use materials and energy
Respond to their environment
Maintain a stable internal environment 
As a group change over time

Question 4

Cells

Answer 4

The most basic form of living things

Question 5

Most basic unit of the metric system

Answer 5

Meter

Question 6

Atom

Answer 6

Basic unit of matter

Question 7

Nucleus

Answer 7

The center of the atom which contains the protons and neutrons in cells structure that contains the cell’s genetic material (aka DNA)

Question 8

Electron

Answer 8

Negatively charged particle located in the space surrounding the nucleus

Question 9

Element

Answer 9

Pure substance that consists entirely of one type of atom

Question 10

Isotope

Answer 10

One of several forms of a single element which contains the same number of protons but a different number of neutrons.

Question 11

Compound

Answer 11

substance formed by the chemical combination of 2 or more elements in definite proportions

Question 12

Ionic bond

Answer 12

Chemical bond formed when 1 or more electrons are transferred from one atom to another

Question 13

Ion

Answer 13

Atom that has a positive or negative charge

Question 14

Covalent bond

Answer 14

Type of bond between atoms in which the electrons are shared

Question 15

Molecule

Answer 15

Smallest unit of most compounds that displays all the same properties of that compound

Question 16

Van der Waals

Answer 16

Slight attraction that develops between oppositely charged regions of nearby molecules

Question 17

Properties of water

Answer 17

Polarity,Hydrogen bonding, Cohesion, Adhesion, Solutions, Suspensions

Question 18

Solutions

Answer 18

Evenly distributed throughout the solution

Question 19

Suspensions

Answer 19

When something is separated into pieces so small that they do not settle out. The movement of the water keeps them suspended

Question 20

Acids

Answer 20

A compound that forms hydrogen ions in solution, a solution with a pH of < 7

Question 21

Base

Answer 21

A compound that produces hydroxide ions in a solution, solution with a pH of > 7

Question 22

Buffer

Answer 22

Compound that prevents sharp sudden change in pH. Evens out the acids and bases to normal levels