Science 7 – Planet Earth worksheets
Science 7 – Planet Earth worksheets
Topic 2: Rock Families
Fill in the blanks on the Rock Cycle diagram →
Next, fill in the table below by putting checkmarks in the boxes that match the correct rock family to the description.
Use this diagram, your textbook and our class discussion to help fill in the table below.
|ROCK FAMILY SUMMARY |
|CHARACTERISTICS |FAMILY |
| |Metamorphic |Sedimentary |Igneous |
| | | |Intrusive |Extrusive |
|crystals easily visible | | | | |
|randomly arranged | | | | |
|crystals | | | | |
|aligned, flattened, or | | | | |
|banded minerals/ | | | | |
|crystals (organized, | | | | |
|non-random) | | | | |
|rock particles or | | | | |
|grains visible | | | | |
|no grains or crystals | | | | |
|visible | | | | |
|fossils present | | | | |
|bubbly or glass-like | | | | |
|rock particles/grains | | | | |
|stratified into layers of | | | | |
|different colour or | | | | |
|particle size | | | | |
Topic 4: Plate Tectonics
Fill in the following 2 tables by writing the plate # , plate name, and the number of plates each one borders. Use the image below and figure 5.43 (p.390) in your text to help you find the answers. Examples and some answers have been provided for you.
[pic]
Table 1: Seven Major Plates
|Plate # (on map) |Plate Name |# of Bordering Plates |
|(example) 1 |Eurasian Plate |6 |
| |Australian Plate | |
| | | |
| | | |
| | | |
| | | |
| | | |
Table 2: Eight Minor Plates
|Plate # (on map) |Plate Name |# of Bordering Plates |
|(example) 9 |Arabian Plate |3 |
| |Caribbean Plate |4 |
|6 |Cocos Plate | |
| |Indian Plate | |
| | | |
| | | |
| | | |
Earth’s Interior:
Use the diagram below and your textbook (p.382) to help you fill in the names, temperatures and depths of the different layers of the Earth.
|Layer |Name |Temp |Depth (km) |
| | |(°C) | |
|A | | | |
|B | | | |
|C | | | |
|D | | | |
|E | | | |
Which 2 layers form the lithosphere? ________________ and __________________
Which layers are solid? ______________ , ______________ and ______________ .
Which layers are liquid? ______________ and ______________
Give one example for each category (see chart below) of evidence that Wegener gave in to support his idea of continental drift.
|Evidence |Example |
| | |
|Biological | |
| | |
| | |
|Geological | |
| | |
| | |
|Meteorological | |
| | |
Topic 5: Earthquakes
Group assignment: Use the graph on page 401 of your text to complete the following table.
|Distance (km) |P wave arrival time |S wave arrival time (min:sec) |Difference in arrival times (min:sec)|
| |(min:sec) | | |
|1500 |3:00 |6:00 |3:00 |
|2250 | | | |
|2750 | | | |
|3000 | | | |
|4000 |7:00 |12:45 |5:45 |
|7000 | | | |
|9000 | | | |
Group assignment: Use the table and graph on page 401 of your text to complete the following assignment. An example is provided below for earthquake A. Now you complete the next table and map for earthquake B.
Earthquake A
|Location of |Time Difference Between P and S Waves |Distance from Seismograph (km) |
|Seismograph | | |
|Edmonton |2 min 37 s |1125 |
|Iqaluit |6 min 40 s |5125 |
|Whitehorse |3 min 50 s |2000 |
|Ottawa |6 min 45 s |5250 |
|Yellowknife |4 min 10 s |2375 |
[pic]
Earthquake B
|Location of |Time Difference Between P and S Waves |Distance from Seismograph (km) |
|Seismograph | | |
|Edmonton | | |
|Iqaluit | | |
|Whitehorse | | |
|Ottawa | | |
|Yellowknife | | |
[pic]
Answer the following questions concerning the activity above:
1. Around what two cities did earthquakes A and B occur?
A) _________________________
B) _________________________
2. How is the distance of a seismograph from the earthquake related to the arrival time of the waves?
3. How many seismograph stations were needed to accurately locate each epicentre?
Topic 5, 6, 7 – Earthquakes, Volcanoes and Mountains
Use the table on
page 409 of your textbook to locate and plot the earthquakes and volcanoes around the world.
|Legend: |
|□ = earthquake |
|○ = volcano |
|∆ = mountain |
Next, draw in the mountain ranges shown on p.414.
Compare your map with your plate tectonics map in Topic 4. Do you notice any relationship between the locations of mountains, volcanoes and earthquakes, and the plate boundaries?
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