Science Midterm Study Guide

Topics: Chapters 1-6 & Chapter 7.1-7.3*

*Chapter 7 will only appear on your midterm if we have time to cover these concepts in class before the midterm exam.

Format: Vocabulary (fill in the blank or matching), Multiple Choice, Short Answer, Label the Diagrams

Study Tips: Review notes, Quizlet, End of Chapter Study Guides, Review Textbook

*Chapter 7 will only appear on your midterm if we have time to cover these concepts in class before the midterm exam.

Here is what you should know from each chapter:

Chapter 1

o  Identify and explain the skills that scientists use to learn about the world:

o  Observing

o  Classifying

o  Making Models

o  Inferring

o  Predicting

o  Analyzing

o  Explain what scientific investigations involve

o  Explain the difference between scientific and nonscientific thinking (including pseudoscience)

o  Explain what scientific inquiry is and how it involves posing questions and developing hypotheses

o  Explain how to design and conduct an experiment so that it uses sound scientific principles (ex: controlled experiments, repeated trials, etc.)

o  Identify dependent and independent variables in scientific investigations

o  Identify sources of error in scientific investigations

o  Important Vocabulary:

o  Science

o  Observation

o  Quantitative Observation

o  Qualitative Observation

o  Inferring

o  Predicting

o  Analyzing

o  Pseudoscience

o  Scientific Inquiry

o  Hypothesis

o  Independent Variable

o  Dependent Variable

o  Controlled Experiment

o  Bias

o  Replication

Chapter 2

o  Explain what the SI system is and why scientists use it

o  Know the SI units for length, mass, weight, volume, density, time and temperature

o  Be able to convert between SI units and compare the size of units (there will not be a unit ladder on the exam!)

o  Know the formula for density and use it to calculate the density or mass or volume of an object

o  Know how to use math tools including mean, median, mode, range and percent error

o  Know the difference between accuracy and precision

o  Know what significant figures are and be able to use correct significant figures in addition/subtraction and multiplication/division

o  Use graphs to identify trends, make predictions and recognize anomalous data

o  Review the laboratory safety rules from the beginning of the year

o  Important Vocabulary:

o  Metric System

o  International System of Units (SI)

o  Mass

o  Weight

o  Volume

o  Meniscus

o  Density

o  Estimate

o  Significant Figures

o  Mean

o  Median

o  Mode

o  Range

o  Anomalous Data

o  Percent Error

o  Graph

o  Linear Graph

o  Nonlinear Graph

o  Outlier

Chapter 3

o  Know the 4 main spheres of the Earth: atmosphere, hydrosphere, geosphere and biosphere) and be able to give examples of each

o  Know that sun is the main source of energy for all of the spheres

o  Explain that lands are constantly being created and destroyed by competing forces

o  Explain what constructive forces are and give examples

o  Explain what destructive forces are and give examples

o  Know what weathering and erosion are and how these forces shape the Earth’s surface

o  Know the layers of the Earth and be able to label them on a diagram

o  Describe how pressure and temperature change between each layer of the Earth

o  Describe the composition of the main layers of the Earth

o  Explain the 3 types of heat transfer

o  Know how temperature affects a liquid’s density

o  Know what convection currents are and be able to explain how they work in the Earth

o  Important Vocabulary:

o  Atmosphere

o  Geosphere

o  Hydrosphere

o  Biosphere

o  Constructive Force

o  Destructive Force

o  Crust

o  Basalt

o  Granite

o  Mantle

o  Lithosphere

o  Asthenosphere

o  Outer Core

o  Inner Core

Chapter 4

o  Explain Wegener’s hypothesis about the continents

o  Explain what mid-ocean ridges are and how they are formed

o  Explain the process of sea-floor spreading

o  Explain what happens at deep ocean trenches

o  Know the theory of plate tectonics

o  Explain the motion of the tectonic plates and why they move

o  Know the three types of plate boundaries

o  Explain how different landforms result from different plate boundaries

o  Important Vocabulary:

o  Continental Drift

o  Pangaea

o  Fossil

o  Mid Ocean Ridge

o  Sea Floor Spreading

o  Deep Ocean Trench

o  Subduction

o  Plate

o  Divergent Boundary

o  Transform Boundary

o  Divergent Boundary

o  Plate Tectonics

o  Fault

o  Rift Valley

Chapter 5

o  Explain the 3 forces in the earth’s crust that change the shape and volume of rock over millions of years

o  Know what a fault is and how it forms

o  Know the 3 different types of faults and be ale to explain the movement that occurs at each fault

o  Be able to identify faults based on diagrams

o  Know how anticlines and synclines are formed

o  Know how fold mountains and fault block mountains are formed

o  Know the types of seismic waves

o  Describe at least one of the scales used to measure earthquakes

o  Explain what an earthquake’s focus and epicenter is

o  Important Vocabulary:

o  Stress

o  Tension

o  Compression

o  Shearing

o  Normal Fault

o  Reverse Fault

o  Strike-Slip Fault

o  Earthquake

o  Focus

o  Epicenter

o  P Wave

o  S Wave

Chapter 6

o  Explain how volcanoes form at boundaries of tectonic plates

o  Know which boundaries can lead to the formation of volcanoes

o  Know what a hot spot is and where it is located

o  Know the parts of a volcano (be able to label a diagram of a volcano)

o  Know the difference between quiet and explosive eruptions

o  Know the 3 stages of a volcano’s activity

o  Know what a pyroclastic flow is and why it causes destruction

o  Know the landforms that result from lava

o  Know the landforms that result from magma

o  Important Vocabulary:

o  Volcano

o  Ring of Fire

o  Magma

o  Lava

o  Hot Spot

o  Magma Chamber

o  Pipe

o  Vent

o  Lava Flow

o  Crater

o  Silica

o  Pyroclastic Flow

o  Dormant

o  Extinct

o  Caldera

o  Cinder Cone

o  Composite Volcano

o  Shield Volcano

o  Volcanic Neck

o  Dike

o  Sill

o  Batholith

Chapter 7

**This is new material. These topics will appear on your midterm exam only if we have time to cover them in class.**

o  Explain how fossils form

o  Describe the different types of fossils

o  Explain why scientists research fossils

o  Explain how the age of rock changes in each layer of rock

o  Explain how layers can change order

o  Explain radioactive decay

o  Calculate the age of rocks using an element’s half life

o  Explain how scientists use radioactive dating to determine the ages of materials

o  Important Vocabulary:

o  Fossil

o  Mold

o  Cast

o  Petrified Fossil

o  Carbon Film

o  Trace Fossil

o  Paleontologist

o  Evolution

o  Extinct

o  Relative Age

o  Absolute Age

o  Law of Superposition

o  Extrusion

o  Intrusion

o  Fault

o  Index Fossil

o  Unconformity

o  Radioactive Decay

o  Half-Life