THE ULTIMATE SOURCE OF ENERGY
WHAT IS THE SUN
limitation or restriction
what is a constraint
three states of matter
what is solid, liquid and gas
Plants absorb water and release back into the atmosphere through transpiration during what
what is the water cycle?
As the Earth spins, __________ occurs when part of the Earth is facing toward the Sun.
WHAT IS DAY
HAWK>SQUIRREL>GRASSHOPPER>GRASS
WHICH ORGANISM OR CONSUMER IS A HERBIVORE
WHAT IS A GRASSHOPPER?
a requirement that must be met.
what is criteria
OIL, SAND, SUGAR AND WOOD CHIPS: WHICH SUBSTANCE WILL SINK TO THE BOTTOM AND IT WILL SINK DO TO....
WHAT IS SAND AND DENSITY
a resource that is not easily replaced
what is a nonrenewable resource?
FORCE OF GRAVITY ON AN OBJECT
WHAT IS WEIGHT
PLANTS USE WATER, SOIL AND AIR TO GROW. WHICH NONLIVING SUBSTANCE(S) IS NEEDED FOR GROWTH?
WHAT IS AIR AND WATER
an element, feature, or factor that is used in an engineering experiment
what is a variable
a reaction that can not be reversed
what is a chemical reaction?
the soil, rocks and sand that makes up the earth
what is the geosphere
the earth rotates on its axis in what direction and around the sun in what direction?
what is west to east and east to west
PLANTS USE SOLAR ENERGY TO BREAK DOWN GLUCOSE DURING A PHOTOSYNTHESIS WHILE ANIMALS GET_____________ FROM EATING OTHER___________.
WHAT IS ENERGY AND ORGANISMS?
a created object that may help to solve an engineering problem
what is a prototype
true or false: the substances in a solution cannot be separated
what is false
weather occurs in what layer of the atmosphere
what is the troposphere
all objects fall to earth because of
what is the force of gravity
why are plants the most important part of the food change?
answer varies
Caroline's science class is studying bridge design. Her teacher has given them a challenge to design a bridge using the materials provided that will support a weight of 6 pounds. The bridge should be at least 4 inches wide and be no taller than 12 inches. The students will have 2 class periods to work on their bridges.
which statement is part of the criteria
what is a bridge that can support a weight of 6 pounds
the amount of matter contained in an object _________
the amount of space an object takes up_________
a measure of how closely packed an objects atoms are_________
what is mass, volume and density
all the water inside earth, on the surface of earth, and in the air that surrounds earth; including oceans, rivers, lakes, seas
hydrosphere
how many planets away is the earth from he sun and why are some stars brighter than others?
what three and because they are farther away?