What do plant cells have that animal cells do not have?
cell wall and chloroplast
100
What is taken in during photosynthesis? (List all items)
water, energy, carbon dioxide
100
What is the range (in the pH scale) for an item to be considered an acid?
0-6.9
100
What is it called when all molecules stop moving?
absolute zero
200
How long does it take Earth to complete one revolution?
a year
200
Put these terms in the correct order:
tissue, organ, cell, organism, organ system
cell, tissue, organ, organ system, organism
200
Grass-deer-wolf
What is the deer considered in this food chain?
first order or primary consumer
200
Which are physical properties? List all correct answers.
1. Water's density is 1.0 g/mL.
2. Salt is soluble.
3. Paper is flammable.
4. Vinegar is acidic.
1 and 2
200
How can you determine the number of protons in an atom?
by the atomic number
300
What is the name of the big, fluffy clouds that are associated with fair weather?
cumulus
300
What is an abiotic factor?
a non-living object
300
Spiders build their webs in trees. What kind of relationship is this?
commensalism
300
Which scientist came up with the plum pudding model?
Thomson
300
What is the energy transformation on the light bulbs in this classroom?
electrical to radiant and thermal
400
If it is summer in VA, what season would it be in France (on that same day)?
summer
400
_____________ is the process of making new cells that are identical to the parent cells.
Mitosis
400
List three inherited traits in humans.
eye color, hair color, shape of nose, height
400
Hot air rises because it is _______________________.