MidYear Exam 2016 Grade 7 Date: Wednesday, January 27, 2016 Time: 1:00 to 3:00 There are many ways to study. Here are a few tips and tricks to help you prepare for your exam. These are just ideas, you don’t necessarily have to do them all. 1. Choose a quiet place in your house. 2. Turn off the TV, video games, computer and phone. 3. Prepare notes on index cards. 4. Write down your questions to ask your teacher. 5. Ask questions with your friends. 6. Rewrite your notes. Exam Topics: Safety in the Science Lab A. Safety symbols, (flammable, explosive, toxic). B. Safety rules. The Scientific Method A. Qualitative and quantitative observations a. Describe each and give examples. B. Question and hypothesis a. Write a hypothesis based on the question asked. C. Independant and dependant variables. a. Describe each b. Give examples c. Which variable corresponds with the xaxis and which corresponds with the yaxis. d. Where the variables are presented in a graph. D. Table of Results a. Draw a table with a ruler. b. Which column corresponds with the xaxis and which with the yaxis. c. Create a table using information from a paragraph. E. Graphing a. Draw a line graph and a bar graph using a ruler. b. Label the title and the axes. c. Make a proper scale.
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MidYear Exam 2016 Grade 7
Date: Wednesday, January 27, 2016 Time: 1:00 to 3:00 There are many ways to study. Here are a few tips and tricks to help you prepare for your exam. These are just ideas, you don’t necessarily have to do them all.
1. Choose a quiet place in your house. 2. Turn off the TV, video games, computer and phone. 3. Prepare notes on index cards. 4. Write down your questions to ask your teacher. 5. Ask questions with your friends. 6. Rewrite your notes.
Exam Topics: Safety in the Science Lab
A. Safety symbols, (flammable, explosive, toxic). B. Safety rules.
The Scientific Method
A. Qualitative and quantitative observations a. Describe each and give examples.
B. Question and hypothesis a. Write a hypothesis based on the question asked.
C. Independant and dependant variables. a. Describe each b. Give examples c. Which variable corresponds with the xaxis and which corresponds with the
yaxis. d. Where the variables are presented in a graph.
D. Table of Results a. Draw a table with a ruler. b. Which column corresponds with the xaxis and which with the yaxis. c. Create a table using information from a paragraph.
E. Graphing a. Draw a line graph and a bar graph using a ruler. b. Label the title and the axes. c. Make a proper scale.
Properties of Matter
A. Characteristic and noncharacteristic properties. a. What is the difference? b. Give example for each.
B. Qualitative and quantitative properties. a. What is the difference? b. Give example for each.
C. Mass a. Definition b. How it is measured. c. Unit of measurement. d. Measurement tool and how it is used.
D. Volume a. Definition b. How it is measured 3 ways irregular solid, regular solid and liquid. c. Units of measurement. d. Measurement tools and how they are used.
E. Temperature a. Definition b. How it is measured. c. Unit of measurement. d. Measurement tool and how it is used.
F. Acidity and Alkalinity et basicité a. Definition b. How it is measured. c. Unit of measurement. d. Measurement tool and how it is used.
G. Conductivity a. Definition b. Measurement tool
H. Boiling point and melting point, (point of fusion). a. Definitions b. Measurement tool c. Units of measurement
States of Matter
A. Solid, liquid and gas B. Their particles and the links between particles. C. Their volumes in a container. D. Transformations, (transitions), of state initial state and final state. E. The triangle that represents the transitions.
Mixtures
A. Homogeneous and heterogeneous mixtures definitions and examples. B. Pure substances definitions and examples.
Review Questions What are the steps of the Scientific Method? Give each step and a short definition to differentiate them.
What if the difference between a quantitative observation and a qualitative observation? ______________________________________________________________________
Which unit of measure would you use to find the volume of:
○ an orange: ____________________ ○ juice: _________________________ ○ a pen: ________________________ ○ a DVD case: ___________________ ○ a dictionary: ___________________
Name the initial states and the final state for each transition
Transition Initial State Final State
Sublimation
Evaporation
Fusion
Boiling
Solidification
Condensation
Solid Condensation
Complete the triangle:
Create a line graph. Indicate the title and label the axes.
Time (seconds) Temperature (℃)
0 10
2 20
4 30
6 40
8 50
10 60
12 70
Create a bar graph and a table of results. Indicate the title and label the axes. 25 students like hockey. 40 students like baseball. 30 students like soccer. 15 students like volleyball.
Compare homogeneous and heterogeneous mixtures.
Homogeneous Mixtures Heterogeneous Mixtures
Definition
Examples
Drawing of Particles
Describe a pure substance and give examples: ____________________________________________________________________________________________________________________________________________________________ Indicate whether each substance in the box below are heterogenous or homogeneous.
Milk and Flour Greek Salad Tap Water Salt and Water Concrete Milk and Cereal Steel Air Carbonated Water Brass Fruit Salad
Indicate whether each substance in the images below are heterogenous or homogeneous.