Midterm Flashcards
Which of the following is an example of PROCESSED data
a. The average time it takes a pendulum to complete 5 periods
b. The temperature of 100ml of oil after being heated on a hot plate for 6 minutes
c. the total number of wheat seeds that germinated in a pH 4 solution
d. The force required to pull a block of wood across a carpet
A
7.459 x 10(exponent)-4} to Standard Form
0.0007459
50620000}to Scientific Notation
5.062 x 10 (exponent)7
Define Scientific Model
A Scientific representation of an object including labels and explanations
Define observation
something you notice with your senses
Define inference
An explanation for something based of an observation
Why do we need theories
To make predictions about the future
Define Law
stated facts
Define Theory
an explanation for a law
Atom
The building block of matter
Molecule
a group of atoms bonded together
organelle
a small body in the cell’s cytoplasm that preforms a specific function in the cell
Cell
The basic unit that can preform all life processes; made of cytoplasm and organelles inside a membrane
Tissue
group of similar cells that preform a common function
Organ
a collection of tissues that carry out a specialized function of the body
Organ System
a group of organs that work together to preform body functions
Organism
a living thing; anything that can carry out life processes independently
Cell Wall
A rigid structure surrounding the cell membrane that provides support. Only found in plant cells
Cell Membrane
Protects the cell; controls the movement of materials into and out of the cell. Found in both Animals and plant cells
Cytoplasm
The fluid that all the cell’s organelles outside the nucleus; the site of most cell activities. Found in both Animals and plant cells
Nucleus
contains the cell’s DNA, the instructions that direct all cell activities. Found in both Animals and plant cells
Ribosomes
make proteins. Found in both Animals and plant cells
Endoplasmic Reticulum
‘rough’ ER processes and transports proteins that are made by ribosomes covering it
‘smooth’ ER make lipids
Found in both Animals and plant cells
Mitochondria
a chemical reaction called cellular respiration occurs here, breaking down sugar to release energy. Found in both Animals and plant cells
