Life is work
Living cells require energy
from outside sources
Some animals, such as the
giraffe, obtain energy by
eating plants, and some
animals feed on other
organisms that eat plants
The Process That Feeds the Biosphere
Chapter 10 10.1
Photosynthesis is the process that converts solar energy into chemical energy
Directly or indirectly, photosynthesis nourishes almost the entire living
Meiosis and Sexual
Variations on a Theme
Living organisms are
distinguished by their ability
to reproduce their own kind
Heredity is the transmission
of traits from one generation
to the next
Variation is demonstrated by
Chapter 11 11.1
Cells can signal to
each other and
interpret the signals
they receive from
other cells and the
Signals are most
The same small set
of cell sign
Mendel and the
Chapter 14 14.1
Drawing from the Deck of Genes
What principles account for the passing of traits
from parents to offspring?
The blending hypothesis is the idea that genetic
material from the two parents blends
Life at the Edge
The plasma membrane
is the boundary that
separates the living
cell from its
The plasma membrane
some substances to
cross it m
Flatland: A Romance of Many Dimensions
The author Edwin Abbot, opens up the readers to a perception idea. Everything in life is
about how you look at it. He begins to talk about a penny, and how it appears, depending on how
you look at it from different a
Covalent Bonds Homework with Answers
1 Which type of chemical bond involves the equal sharing of electrons?
A Ionic B Polar Covalent C Nonpolar Covalent
2 Which type of chemical bond involves the unequal sharing of electrons?
A Ionic B Polar Covalent C No
Fundamentals of Chemistry Pretest
1 A broad generalization based on the results of many experiments is called:
A The scientific method B A Scientific law C A Theory D A Hypothesis E An Empirical fact
2 The statement The boiling point of water is 100 degre
1 Which is a cation?
A He B Na C Fe+3 D N-3
2 The formula for sodium carbonate Na2CO3, represents a compound composed of,
A Two atoms of sodium, three atoms of carbon and three atoms of oxygen B Two atoms of
sodium, one atom of carbon a
1 Which one of the following elements is most likely to form a 1+ ion?
A Beryllium B Carbon C Fluorine D Oxygen E Sodium
2 The elements in a column of the periodic table are known as
A Metalloids B Periods C Noble gases D Groups E Nonmet
Practice Test on Nomenclature, The Mole, Balancing equations and empirical formulas.
1 What is the correct name for the Cu + 1 ion?
A Cobalt(2) B Copper (1) C Copper (2) D Chromium (2)
2 What is the formula of magnesium sulfide?
A Mg2S B MgS2 C MgS D Mg3S
Properties of Gases Lab
Pre lab questions. Which of the following reactions is most likely to produce carbon dioxide? A
Magnesium and Nitric acid Mg + HNO3 B Sodium carbonate and sulfuric acid Na2CO3 + H2SO4
C Hydrogen peroxide and Copper H2O2 + Cu. When
Bunsen burner Lab Experiment.
In chemistry lab the classed learned how to use a Bunsen burner. Methane at room temperature is
a gas. The reaction for methane is CH4 + 2 O2 CO2 + 2 H20.When oxygen is added the
methane combusts to produce carbon dioxide and
Measurements in Chemistry
Chemistry work involves quantitative data because it relies heavily on measurements. Most of
the world uses the international system which is measured differently than the American scale. In
chemistry most measurements are in inc
The Mole Homework with answers
1 Which of the following substances is paired with the incorrect molar mass?
A S8 32.06g B Na 22.99g C NO2 46.01g D 2.4 1023
2 How many grams are present in 6.50 moles Cu(NO3)2 (molar mass = 188)
A 124 g B 404g C 1080g D 122
Significant Figure Homework with Answers
1 How many significant figures are in the number 14.04
2 One centigram is equal to
A 0.001g B 0.01g C 100g D 1000g
3 How many meter are there in one kilometer?
A 10-3 B 10-2 C 10-6 D 103 E 106
4 How many s
Classifying Matter Homework with Answers
1 Which of the following is not a physical property of gold?
A its characteristic color B Its electrical conductivity C its density D None of the above.
2 Which of the following is a physical change?
A Stretching a
Naming Ionic Compounds Homework With Answers
1 What is the correct name for the Cu+2 ion?
A Cobalt(2) B Copper(1) C Copper(2) D Chromium(2)
2 What is the correct name for the Ca+2 ion?
A Calcium B Cobalt C Calcide D Cobide
3 A magnesium atom is converted
Types of Chemical Reactions Homework 15 with Answers Professor Haiby
1 The following reaction: NaCl + AgNO3 AgCl + NaNO3, is an example of
A Combination B Decomposition C Single-displacement D Double-displacement
2 The following reaction: 2H2 + O2 2H2O, i