1Water molecule
Two hydrogen atoms and one oxygen atom
2What is solubility
The ability to dissolve many substances in it
3 cohesion
The same molecules attracted to each other
4Evaporation
The process of a liquid change into a gas
5Solar radiation
Energy from the sun that helps drive the water cycle
6Transpiration
water is carried through plants and then evaporates
7Condensation
gas turn into liquid
8Precipitation
water released from clouds
9Gravity
The great force propelling the water cycle
10Infiltration
water that absorbs into soil
11Runoff
precipitation that did not get absorbed into soil and made its way to places where water collects
12Ground water
water that seeps into the ground supplying springs on the wells
13 matter
has mass and takes up space
14Particles
Atoms and molecules
15 heating a liquid
molecules move around fast
16 heating a solid
molecules speed up and spread out
17Heating a gas
causes molecules to speed up and spread out rapidly
18 Energy transfers from ———to———
Hot to cold
19 kinetic energy
Energy that is moving
20 independent variable
The part of the experiment that is changed on purpose to see the result
21 dependent variable
The results of the experiment and what you observed
22 Control
The part of the experiment that is set up for comparison
23 Constants
A list of parts of a experiment that are kept the same to ensure a fair test
24 potential energy
an object that has the potential energy to move
25Physical change
all molecules stay the same
26Chemical change
The bond of atoms is broken and rearranged
27 photosynthesis
A chemical reaction that helps plants make a food using sunlight carbon dioxide and water and turns it into glucose and oxygen
28 where does photosynthesis occur
in plant cells called chloroplasts
29What kind of energy transfer happens in photosynthesis
radiant energy to chemical energy
30What is cellular respiration
A chemical reaction that takes oxygen and glucose and creates carbon dioxide, water, and ATP energy
31 where does Cellular respiration occur
in both plant and animal cells called mitochondria
32 exothermic reaction
temperature goes down
33Endothermic reaction
temperature heats up
34Producers
make their own food
35Consumers
Eat other things for food
36Herbivores
Consumers that eat only plants
37Omnivores
Consumers that eat both plants and animals
38Carnivore
consumers that only eat meat
39Predator prey
Predator eats the prey
40 competition
multiple animals hunting the same food
41 parasitism
an interaction that harms one species but helps the other
42 light year
A distant light travels in a year
43 astronomical unit
The distance between the earth and the sun
44How long does it take for the earth to revolve around the sun
One year
45 how long does it take for the moon to revolve around the sun
28 days
46which Way does earth rotate
West to east
47 solstice
Summer and winter when sun reaches highest or lowest point in sky at noon
48 equinox
autumn and spring day and night equal length
49 Moon phases
changes in appearance of the moons shape during a month
50 order of the moon phases
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third-quarter, waning crescent,
51Eclipse
when one object in space blocks another from view
52 Spring tide
when sun and moon are in the same direction makes highest and lowest tides
53 Neap tide
Gravity of sun and moon are opposite sides lower tides