Midterm

Question 1

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

Answer 1

A

Question 2

7.459 x 10(exponent)-4} to Standard Form

Answer 2

0.0007459

Question 3

50620000}to Scientific Notation

Answer 3

5.062 x 10 (exponent)7

Question 4

Define Scientific Model

Answer 4

A Scientific representation of an object including labels and explanations

Question 5

Define observation

Answer 5

something you notice with your senses

Question 6

Define inference

Answer 6

An explanation for something based of an observation

Question 7

Why do we need theories

Answer 7

To make predictions about the future

Question 8

Define Law

Answer 8

stated facts

Question 9

Define Theory

Answer 9

an explanation for a law

Question 10

Atom

Answer 10

The building block of matter

Question 11

Molecule

Answer 11

a group of atoms bonded together

Question 12

organelle

Answer 12

a small body in the cell’s cytoplasm that preforms a specific function in the cell

Question 13

Cell

Answer 13

The basic unit that can preform all life processes; made of cytoplasm and organelles inside a membrane

Question 14

Tissue

Answer 14

group of similar cells that preform a common function

Question 15

Organ

Answer 15

a collection of tissues that carry out a specialized function of the body

Question 16

Organ System

Answer 16

a group of organs that work together to preform body functions

Question 17

Organism

Answer 17

a living thing; anything that can carry out life processes independently

Question 18

Cell Wall

Answer 18

A rigid structure surrounding the cell membrane that provides support. Only found in plant cells

Question 19

Cell Membrane

Answer 19

Protects the cell; controls the movement of materials into and out of the cell. Found in both Animals and plant cells

Question 20

Cytoplasm

Answer 20

The fluid that all the cell’s organelles outside the nucleus; the site of most cell activities. Found in both Animals and plant cells

Question 21

Nucleus

Answer 21

contains the cell’s DNA, the instructions that direct all cell activities. Found in both Animals and plant cells

Question 22

Ribosomes

Answer 22

make proteins. Found in both Animals and plant cells

Question 23

Endoplasmic Reticulum

Answer 23

‘rough’ ER processes and transports proteins that are made by ribosomes covering it
‘smooth’ ER make lipids
Found in both Animals and plant cells

Question 24

Mitochondria

Answer 24

a chemical reaction called cellular respiration occurs here, breaking down sugar to release energy. Found in both Animals and plant cells

Question 25

chloroplasts

Answer 25

a chemical reaction called photosynthesis occurs here and stores energy (in the form of sugar) only found in plant cells

Question 26

Golgi complex

Answer 26

Packages and distributes lipids and proteins. Found in both Animals and plant cells

Question 27

Lysosomes

Answer 27

Digest large molecules and other waste. only found in animal cells

Question 28

Vacuoles

Answer 28

large round sacs that store water and other materials. Found in both Animals and plant cells

Question 29

eye piece

Answer 29

contains ocular lense

Question 30

nose piece

Answer 30

allows you to change between objective lenses

Question 31

objective lenses

Answer 31

each one has a different magnification factor

Question 32

arm

Answer 32

Holds up the part that you look through and gives easy access to transportation

Question 33

stage

Answer 33

the surface on which you place the sample

Question 34

Stage clips

Answer 34

Secure the sample in place so it doesn’t move round

Question 35

Diaphragm

Answer 35

allows you to adjust the amount of light that comes through the stage

Question 36

light source

Answer 36

when turned on helps you view the sample

Question 37

base

Answer 37

Helps stabilize and support the whole microscope