Semester 1

Question 1

List 5 lab safety rules

Answer 1

Wear correct uniform
No eating or drinking
Tie up long hair
No running
Wear appropriate PPE

Question 2

List 5 pieces of Lab equipment

Answer 2

Measuring cylinder
Beaker
Conical flask
Test tube
Pipettes

Question 3

What is the purpose of a measuring cylinder?

Answer 3

To accurately measure liquids

Question 4

What is the purpose of a Beaker?

Answer 4

To carry liquids and measure rough volumes

Question 5

What is the purpose of a conical flask?

Answer 5

Used to carry liquids and mix them together

Question 6

What is the purpose of a test tube?

Answer 6

For mixing and storing small amounts of liquids

Question 7

What is the purpose of a pipette?

Answer 7

To accurately measure volumes under 1mL

Question 8

List the parts of a lab report in order

Answer 8

Title
Background
Aim
Hypothesis
Safety
Variables
Materials
Diagram
Method
Results
Discussion
Conclusion
References

Question 9

What is matter?

Answer 9

Matter is anything that occupies space and has mass

Question 10

Which state of matter has particles that are separate and moving?

Answer 10

Gas particles

Question 11

Which state of matter has particles that are stuck together and stationary?

Answer 11

Solid particles

Question 12

Which state of matter has particles that are together but are moving?

Answer 12

Liquid particles

Question 13

How do you get a solid to a gas

Answer 13

Boil/Melt.

Question 14

How do you get a gas to a soild?

Answer 14

Freeze.

Question 15

How do you get a liquid to a solid?

Answer 15

Freeze.

Question 16

How do you get a solid to a liquid?

Answer 16

Melt

Question 17

How do you get a liquid to a gas?

Answer 17

Boil

Question 18

How do you get gas to a liquid?

Answer 18

Freeze

Question 19

What is density?

Answer 19

Density is how much mass is packed into a measured volume

Question 20

Less or more dense, which will make it float?

Answer 20

Objects that are less dense will float in water

Question 21

What is the formula for density?

Answer 21

Density = mass/volume

Question 22

What is the units needed for density?

Answer 22

g/cm^3

Question 23

What are the units of mass?

Answer 23

kg, g, mg

Question 24

What are the units of volume?

Answer 24

cm^3, m^3, mm^3

Question 25

What are atoms?

Answer 25

Atoms are the smallest units of matter

Question 26

What are molecules?

Answer 26

Molecules are multiple elements chemically bonded

Question 27

What are the 2 types of molecules?

Answer 27

Elemental and compound molecules

Question 28

What are 3 examples of elemental molecules?

Answer 28

H2 - 2 hydrogen atoms Na2 - 2 sodium atoms Cl2 - 2 chlorine atoms

Question 29

What are elemental molcules?

Answer 29

Are made of the same element

Question 30

What are compound molecules?

Answer 30

Are made of different elements

Question 31

What is the number in an element called? What does it represent?

Answer 31

The number which is always on the bottom right is called a subscript. It represents how many of that element is present.

Question 32

What is the subscript in this compound and how many elements are present? NaSO4

Answer 32

The subscript is 4 and there are 3 elements in this compound. Sodium, Sulphur, and Oxygen.

Question 33

What is the one thing to remember to check how many elements are present?

Answer 33

How many capital letters there are is how many different elements there are

Question 34

What is it important to show in density questions?

Answer 34

Formula Substitute the formula with question numbers Equation Final answer UNITS

Question 35

Element or Compound or Elemental Compound? H

Answer 35

Element

Question 36

Element or Compound or Elemental Molecule? H2

Answer 36

Elemental molecule

Question 37

Element or Compound or Elemental Molecule? H2O

Answer 37

Compound Molecule

Question 38

Element or Compound or Elemental Molecule? FeSO4

Answer 38

Compound molecule

Question 39

Element or Compound or Elemental Molecule? NaCl

Answer 39

Compound molecule

Question 40

What does it stand for? H

Answer 40

Hydrogen

Question 41

What does it stand for? He

Answer 41

Helium

Question 42

What does it stand for? Li

Answer 42

Lithium

Question 43

What does it stand for? Be

Answer 43

Beryllium

Question 44

What does it stand for? B

Answer 44

Boron

Question 45

What does it stand for? C

Answer 45

Carbon

Question 46

What does it stand for? N

Answer 46

Nitrogen

Question 47

What does it stand for? O

Answer 47

Oxygen

Question 48

What does it stand for? F

Answer 48

Fluorine

Question 49

What does it stand for? N

Answer 49

Neon

Question 50

What does it stand for? Na

Answer 50

Sodium

Question 51

What does it stand for? Mg

Answer 51

Magnesium

Question 52

What does it stand for? Al

Answer 52

Aluminium

Question 53

What does it stand for? Si

Answer 53

Silicon

Question 54

What does it stand for? P

Answer 54

Phosphorus

Question 55

What does it stand for? S

Answer 55

Sulphur

Question 56

What does it stand for? Cl

Answer 56

Chlorine

Question 57

What does it stand for? Ar

Answer 57

Argon

Question 58

What does it stand for? K

Answer 58

Potassium

Question 59

What does it stand for? Ca

Answer 59

Calcium

Question 60

What are the 2 types of cells?

Answer 60

Prokaryotic and Eukariotic

Question 61

List 5 differences between prokary and eukay cells

Answer 61

P - No membrane bound organells P - no nucleus P - Smaller P - Usually have a single chromosome P - Bacteria/ archaea

Question 62

WHat are the types of eukary cells?

Answer 62

FUngi, ANimals, Protista and plants

Question 63

WHat are the kingdoms of prokaryiotic cells?

Answer 63

Bacteria, Archaea, Eubacteria

Question 64

List MRSGREN

Answer 64

Movement Respiration Sensitivity Growth Reproduction Excretion Nutrients

Question 65

List the cell theory

Answer 65

1. All living organisms are made of cells 2. Cells are the basic unit of life 3. Cells arise from pre-existing cells 4. Hereditary information is passed from the cell 5. All cells have basic chemical composition 6. Energy flow occurs within cells

Question 66

What are the stages of mitosis?

Answer 66

(Interphase) Prophase Metaphase Anaphase Telophase (Cytokinesis)

Question 67

Name the hierarchy of cells

Answer 67

Cells - Tissues - Organs - Organ systems - Organism

Question 68

What is mitosis?

Answer 68

Mitosis is the division of a cell nucleus to produce 2 identical cells

Question 69

What happens during the Prophase?

Answer 69

Chromosones condense and thicken. The cell membrane disappears

Question 70

What happens during the metaphase?

Answer 70

M for middle chromosomes line up along the middle

Question 71

What happens during the anaphase?

Answer 71

A for apart. Spindle fibres condense and shorten, dragging the chromatids to each end

Question 72

What happens during the Telophase?

Answer 72

T is for 2. The nuclear membrane reforms to make **2 **nuclei but it is still one cell.

Question 73

What is Binary Fission

Answer 73

When bacteria make more copies of themselves through the process of mitosis

Question 74

What is it called when bacteria make more copies of themselves through the process of mitosis?

Answer 74

Binary Fission

Question 75

List 3 parts of the microscope

Answer 75

Arm - Connects the upper and lower parts of the microscope Stage clips - Hold the specimen slide firmly Ocular lens - The part that you look through can be observed by 5 or 10