The Earth
Page 8.
2 parts
1. Who used Aristotle's ideas to propose the geocentric model?
True/False
2. The Earth was believed to be the center of the universe and the sun, moon and stars orbited it according to the geocentric model.
1. Ptolemy
2. True
Page 10
Define asteroids
Small, rocky or metallic bodies, usually of irregular shape
Page 31
2 parts.
1. Water is a universal solvent. What three substances can water dissolve?
2. Draw a water molecule
1. solid, liquid and gaseous substances
2. picture
Page 50
Fill in the blanks about the six functions of the Earth's atmosphere
1. Acts as a _______________.
2. Reduces _________________.
3. Makes the _______________ possible.
4. Allows _________________.
5. Provides _______ that are essential for life.
6. Makes _________ possible.
1. acts as a solar radiation filter
2. reduces changes in temperature
3. makes the water cycle possible
4. allows sound to travel
5. provides gases that are essential for life
6. makes flight possible
What state and country is Alexandria from?
Michigan, USA
Pages 8-9
Put the following events in order by writing numbers 1-4 next to each letter.
a. Ptolemy develops the geocentric model. The Earth in the centre of the universe.
b. Aristotle proposes the Earth as the center of the universe.
c. Nicholas Copernicus proposes the heliocentric model: The Sun is the centre of the universe.
d. Galileo is made to announce that the Earth does not rotate on its axis.
a. 3
b. 1
c. 4
d. 2
Page 10
Define satellites
Celestial bodies that orbit the planets
Page 31
Give three reasons why water is essential for living things
1. It transports nutrients in plants and animals by dissolving them
2. Urine dissolves waste and eliminates it from the body
3. Water dissolves gases needed to breathe like oxygen and carbon dioxide.
Page 50
What two things does the atmosphere stop from reaching the Earth's surface?
X-rays and ultraviolet radiation
Page 39 Blue Box
Name three ways you can reduce your consumption of water at home.
Anything from the blue box
Page 15
3 parts
Answer the following question by filling in the blanks.
Why does the Earth have seasons?
1. The Earth's seasons are a result of the Earth's ______ ______, which means one hemisphere faces the Sun during part of the orbit (summer).
2. Solstices are the ____ days of the year when there is the most _________ between the lengths of day and night.
3. Equinoxes are the _____ days of the year when the day and night are of _______ lengths.
1. tilted axis
2. two, difference
3. two, equal
2 parts
1. Define comets
2. What are comets made up of?
1. Comets are small celestial bodies that orbit beyond Neptune.
2. Comets are made up of ice and dust particles.
Page 34-35
Describe how water can evaporate from the sea and convert into rainwater many kilometers away?
The sun heats the water and it evaporates into gas. The gas cools down and forms clouds through condensation. Gravity makes water fall from the clouds in the form of rain, snow or hail and this water can fall many kilometers away from the original source.
Page 50
What does the greenhouse effect do?
It reduces changes in temperature
What uses more water: using the dishwasher or washing dishes by hand?
Washing dishes by hand
2 parts
1. Draw a picture of a lunar eclipse.
Fill in the blanks
2. A lunar eclipse is when the _____ or part of the _____ is _______. If the moon falls into this _______, it will go dark and won't be _______.
1. Picture
2. moon, moon, hidden, shadow, visible
Page 10.
Answer the following question by filling in the blanks.
What three requirements must a planet meet?
1. It must _____ the sun.
2. It must have a mass large enough to adopt an almost _____ shape.
3. It has swept up the _____ and _____ from the area around it's orbit.
1. orbit
2. spherical
3. asteroids, comets
Page 36-37
Put the following in the correct order with numbers (1, 2, 3, 4) and subindexes (1.1, 2.2, etc...)
Biological treatment and airation
Collection
Discharge
Disinfection
Distribution
Filtration
Screening
Sedimentation
Storage
Treatment
Wastewater treatment
1. Collection
2. Treatment
2.1 Filtration
2.2 Disinfection
2.3 Storage
3 Distribution
4 Water Treatment
4.1 Screening
4.2 Sedimentation
4.3 Biological treatment and airation
4.4 Discharge
Page 50
2 parts
1. What gas is essential for photosynthesis?
2. What gas is essential for living things to breathe?
1. Carbon Dioxide
2. Oxygen
Name three breakfast foods
Cereal, cookies, toast, donuts, croissants, etc...
Page 17.
Two parts.
1. Draw a solar eclipse.
Fill in the blanks
2. When the _____ or part of the _____ is _____. When the moon is positioned between the _____ and the _____, the moon casts a _____ over the Earth's _____.
1. Picture
2. sun, sun, hidden, sun, earth, shadow, surface
Page 12
What are the two halves of the Earth called?
Hemispheres
Page 37
Why is step 4.3 so important?
Biological treatment and airation cleans water and waste so that it is drinkable again
Page 50
What does the atmosphere do the water that evaporates?
The atmosphere holds this water and condenses it to for mclouds and then eventually the water in the clouds falls as rain or snow
Page 39. Blue box
Name three different ways to reduce your water consumption
Anything from the blue box