Organisms that make their own food in a food chain
producers
100
Name five safety rules.
Pull back hair and clothing (sleeves)
No eating or drinking
no horseplay
follow directions
adult supervision
tilt test tubes away from face
wear safety equipment
don't clean up glass
100
explain the difference in the weather on a day with low and high pressure.
high- clear and sunny
low- cloudy or rainy
200
makes energy in any cell, the powerhouse!
mitochondrion
200
Energy of burning, eating and batteries
chemical
200
Organisms that eat for energy
consumers
200
Inference or observation.
1. The beaker contains 115 grams of liquid.
2. It looks poisonous.
3. The reaction was fast.
4. The reaction will be intense!
1. o
2. i
3. o
4. i
200
Name three clouds and what they predict about the weather
cumulus- clear/fair
cirrus- clear and fair
cumulonimbus- storms
stratus- rain
300
allows items to enter and exit all cells
cell membrane
300
energy of atoms
nuclear
300
Organisms that break down dead and dying things.
decomposers
300
What tool measures volume of an odd object like a rock?
graduated cylinder or beaker
300
The three indicators of fog
if the temperature is close to the dew point and if the humidity is high(thick fog)
400
organization of life from smallest part of a living thing to the largest
cell, tissue, organ, organ system, organism
400
on a roller coaster, where is potential the most? Where is kinetic the most?
Potential- top of the highest hill
Kinetic- lowest point
400
Original source of energy in any food web
Sun
400
What tool measures mass?
scale (balance or pan)
400
Direction weather moves across the USA
West to East (california to here!)
500
three main differences between a plant and animal cell
plant cells have a chloroplast, cell wall, are rectangular and have a larger vacuole
500
A bottle full of vinegar is mixed with baking soda and a balloon is put on top. Compare the mass of the experiment both before and after the reaction.
The mass is the same. Matter cannot be lost or gained only changes form. The amount remains the same if the system is closed.
500
In the following food chain, explain:
Kelp---urchins---sea otter----killer whale
If the otters are removed from the system, what is the effect on the whale and the urchins? Why?
whale- decrease in population- no food
urchin - increase in population- no predator
500
What is the density of water? What will an object that is less dense do? More dense?
water- 1
less- float
more- sink
500
Name three fronts and the weather they bring as well as what they look like on a map
cold- triangles- rain
warm- half circles- scattered showers
stationary- triangles and half circles on opposite sides- slow steady rain
occluded- triangles and half circles on same side- storms