Nature of Science
Name a piece of lab equipment that you could use to measure mass.
Scale, electronic balances, triple beam balance
What is biology?
Biology is the study of living things.
Name the three states of matter
Solids, liquids, gases
What is the difference in shapes between an animal cell and a plant cell?
Plant cells are rectangular due to the cell wall, while animal cells have a cell membrane that makes them irregular shape.
What is the first step of the scientific method?
Observe the world and ask a question (one that is testable)
Name a difference between animal and plant cells
cell wall, chloroplast, vacuole, shape
What is the term for when a state changes from a solid to a liquid
Melting
Which cell has lysosomes and what is their function?
Animal cells have lysosomes and they are the clean up crew that break down waste materials, bacteria, and old cell parts, as well as recycling necessary materials.
What is a hypothesis?
A hypothesis is an educated guess based on background research
What is the function of the Phloem?
To transport sugars throughout the plant
Give an example of an element
.....
In both of these cells, which organelle is known as the "powerhouse"?
Mitochondria
In this scenario, identify the independent variable and dependent variable.
I am testing different kinds of surfaces on the same incline with my new wind up toy car to figure out which surface allows it to travel farther.
Independent variable: different inclined surfaces (i.e., smooth, bumpy, stairs)
Dependent variable: how far the wind up toy will travel
What are two main seed plant groups called, and what is the difference between them?
Gymnosperms and Angiosperms
Gymnosperms have seeds in cones, while angiosperms have seeds in fruits/flowers
What is the difference between a compound and a mixture?
A compound is two or more elements combined together chemically whereas a mixture is two or more elements mingled together physically
Name at least 10 organelles found in animal cells.
Cell membrane, nucleus, vacuole, ribosomes, mitochondria, smooth ER, rough ER, lysosomes, cytoplasm, golgi body, centrosome
Convert the following:
1. 25 g to mg
2. 12 L to daL
3. 49 km to m
1. 25,000 mg
2. 1.2 daL
3. 49,000 m
Give an example of a physical adaptation in animals?
Blubber in seals, thick fur
What is the difference between cations and anions?
Cations lose electrons and are positively charged, Anions gain electrons and are negatively charged.
Name at least 10 organelles found in plant cells.