1St Semester Science Exam

Front 1

The part within the experiment that is maintained without change in order to provide a comparison for the part of the experiment containing the variable is known as

Back 1

Contro Variable

Front 2

This is used to test a hypothesis

Back 2

Experiment

Front 3

This is anything that can affedt the results of an experiment.

Back 3

Variable

Front 4

Observations and measurements made during an experiment are know as...

Back 4

Data

Front 5

The measureable factor in an experiment is known as the

Back 5

Dependent Variable

Front 6

The suggested explanaion to a a problem or obervation based upon known information is called the

Back 6

Hypothesis

Front 7

Summary that explains wether or not the data suppoorts te hypothesis

Back 7

Conclusion

Front 8

The correct order of the Scientific Method

Back 8

1. state the Problem
2. form a hypothesis
3.preform and experiment
4.Analyze Data
5. State conclusion

Front 9

The organelle that produces protiens in the cell

Back 9

Rhibosmes

Front 10

specialized cells are only found in..

Back 10

Multi-Cellular Organisms

Front 11

The organelle that is the control center of the cell

Back 11

Nucleus

Front 12

The organelle that produces most of the energy needed in a cell

Back 12

Mitochondria

Front 13

What is the cell theory?

Back 13

All cells are produced from other cells

Front 14

What is the function of the cell wall?

Back 14

to protect and support the cell

Front 15

The organelle that stores food and other things cells need

Back 15

Vacuole

Front 16

The different forms of genes are called...

Back 16

Alleles

Front 17

an organisms physical appearance

Back 17

Phenotype

Front 18

an organisms genetic make-up

Back 18

Genotype

Front 19

Example of heterozygus trair

Back 19

Aa

Front 20

Example of homozygus trait

Back 20

AA

Front 21

Factors that control traits are known as..

Back 21

Genes

Front 22

An organism that has two different alleles for traits

Back 22

Hybrid

Front 23

The likelihood that a paricular event will occur is know as

Back 23

Propability

Front 24

What does codominance mean?

Back 24

Allele neither dominat nor recessive

Front 25

what is a karyotype?

Back 25

A picture of the chromozones in a cell

Front 26

What is the combination of sex Chromozones that would result in a male offspring?

Back 26

XY

Front 27

What is a pedigree?

Back 27

Chart that tracks family traits

Front 28

Substances cannot be broken down into simpler substances are known as

Back 28

Elements

Front 29

This hold atoms together in a molecule

Back 29

Chemical Bond

Front 30

A group of Atoms are joined together and act as a single unit is called a

Back 30

molecuel

Front 31

Pure Substances formed from chemical combinations of two or more different elements are called

Back 31

Compounds

Front 32

What is the formula calculating density of an object?

Back 32

D=M/V

Front 33

What is the difference in a physical/ Chemical reaction?

Back 33

Chemical-differnet substance with diff properties
Physical-change in shape, no new substance

Front 34

all elements are composesd of extremly small particles called..

Back 34

Atoms

Front 35

The law of conservation of energy is ..

Back 35

The total amount of energy styas the same.

Front 36

who Created the first periodic table arranging elements in order of increasing atomice number?

Back 36

Mendeleev

Front 37

The columns in a periodic table are know as

Back 37

Groups/Familys

Front 38

the rows in the periodic Table are known as..

Back 38

periods

Front 39

What always happend as a result of a chemical reaction?

Back 39

Gain or loss of energy- new substance is formed

Front 40

elements in the same_______ have the same number and arrangement of valance electrons

Back 40

Family

Front 41

most Metals are not...

Back 41

Liquid at room temperature

Front 42

The most reactive metals are found in

Back 42

Group one

Front 43

Nonmetals are located where on the periodic table?

Back 43

right of the Zig-Zag

Front 44

in an aton, valance elctrons are located where?

Back 44

On the outermost energy level

Front 45

Metals are located where on the periodic table?

Back 45

Left of the Zig- Zag

Front 46

What moves around the nucleus of the atom?

Back 46

Electrons

Front 47

The atomic number of an element indicates the number of...

Back 47

protons and electrons

Front 48

the atomic mass of an element indicate....

Back 48

the number of neutrons + number of Protons

Front 49

Which group of elements share the characteristics of both metals and nonmetals?

Back 49

Metalloids