Science Flashcards

(46 cards)

1
Q

Number of protons in an atom

A

Atomic number

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2
Q

Atoms that share the same atomic number

A

Chemical elements

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3
Q

Positive electrical charge

A

Proton

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4
Q

Short version of a chemical elements name

A

Atomic symbol

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5
Q

Ni = nickle

A

Atomic symbol

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6
Q

Tiny pieces that mae up all the substances around you

A

Atoms

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7
Q

Atoms Contain one or more positively charged particles called…

A

Protons

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8
Q

Protons are found in the atoms…

A

Nueclues

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9
Q

Nuclues contains..

A

Nuetrons

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10
Q

Has no electrical charges

A

Nuetron

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11
Q

Negative electrical charge

A

Electrons

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12
Q

Pattern of motion that carries energy

A

Wave

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13
Q

Wave

A

Patern of motion that carries energy

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14
Q

When a wave travels through motion it is called

A

A medium

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15
Q

Largest displacement drom the waves y-axis

A

Greater amptithde (how tall it is)

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16
Q

Greater amptitude

A

How tall the wave is

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17
Q

Wavelength

A

Space between squiggles

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18
Q

Frequency

A

Number of waves that pass a given point (amount of squiggles)

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19
Q

Greater wavelength

A

Wave with the smalles wavelength

20
Q

Controls whoch substances enter and leave cell (plant cell)

A

Cell membrane

21
Q

Cell membrane

A

Thin layer that wraps around the cytoplasm. Controls whoch substances enter through cell wall.

22
Q

Breaks down sugar and releases energy that the cell can use (plant cell)

23
Q

Plant cells usually have

A

A mitochondria

24
Q

Main job is to use energy to help ribsomes make proteins (plant cells)

A

Endoplasmic reticulum

25
Main job is to use energy from sunlight to make sugar
Chloropast
26
Chloropast
Makes energy from sunlight to make sugar
27
Fill space between cell membrane and nuclues
Cytoplasm
28
Stores sugar and other nutrients in the cell
Vacuole
29
Cell wall
Gives cell a fixed shape
30
Chromosomes
Contains information that the cell uses for growth and activites
31
Ribosomes
Makes protien
32
Sends protein and other substances to different parts of cell
Golgi
33
Nucleus
Sends instructions to different parts of a cell
34
Two J alleles =
JJ
35
One J and one j alleles =
Jj
36
Two J alleles
JJ
37
Alleles
Form of gene
38
Smth with the genotype JJ can only give the _ to its offspring
J
39
Smth with the genotype Ji can only give the _ to its offspring
J or j
40
Smth with the genotype jj can only give the _ to its offspring
j
41
Prokaryotic cells
Small simple unicellular organsims. No nucleus
42
Eukaryotic cells
(Plants, animals, funggi) larger complext cells. Have mebranes, nuclues, and organelles.
43
genotype
its combination of alleles for that gene.
44
phenotype
its observable version of that trait, which depends on the organism's combination of alleles
45
homozygous
An organism with two identical alleles for a gene is homozygous for that gene. - FF
46
heterozygous
An organism with two different alleles for a gene is heterozygous for that gene. - Ff