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Our Earth

Stimulating activities and experiments to teach 9-12 year old students about earth science concepts

Our Earth by Judy Gabrovec
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"Our Earth" is a comprehensive blackline master booklet that features stimulating activities and experiments to teach 9 to 12 year old students about earth science concepts. The booklet is divided into five sections: ? The Structure of the Earth
? Landforms
? Rivers and Inland Water
? Coastal Landscapes
? The Ocean Each section has Teachers? Notes which provide valuable background information for each of the different activity pages. These notes will save teacher preparation and research time as they provide the answers to any questions or research that is required on the activity page. There are some suggested Internet sites to visit on some of the pages but all the activities can be completed without access to computer technology. Students will have the opportunity to practice many different skills when completing the activities in "Our Earth" including:

?? using dictionary skills;
?? making comparisons of models, maps, etc.;
?? labelling diagrams;
?? doing map reading;
?? atlas skills;
?? matching text explanations to diagrams;
?? making predictions;
?? making jigsaws;
?? making models;
?? interpreting text using diagrams;
?? following procedures when doing an experiment;
?? recording results of an experiment;
?? designing an experiment for a given purpose;
?? interpreting the results of an experiment;
?? interpreting diagrams in text format;
?? doing research;
?? recording the results of an experiment using diagrams;
?? and relating experiments to actual events.

Ready-Ed Publications; August 2001
52 pages; ISBN 9781863973526
Read online, or download in secure PDF format
Title: Our Earth
Author: Judy Gabrovec; Melinda Parker

Geysers and Hot Springs

Hot springs occur when underground water is heated up by hot rocks beneath the surface. The boiling water rises through cracks in the ground.
Geysers are hot springs that spout water and steam at regular intervals.
o In what areas of the earth do you think it is most likely that hot springs or geysers can be found? Why?

Make a Geyser

(This experiment should be done as a class demonstration or under strict adult supervision.)

a flask
a 10? - 15? (30 - 40 cm) glass tube
rubber stopper to fit the flask
flask holder
a Bunsen burner or hot plate
strong plastic container


1. Fill the flask 3/4 full of water. Insert the stopper in the flask.

2. Insert the glass tube into the stopper so it reaches about 3/4 of the way down the flask.

3. Make a hole in the plastic container and gently put the other end of the glass tube in the hole so it extends about 1.5? (4 cm) into the bowl. Seal with putty.

4. Place the flask on the Bunsen burner or hot plate. Support the plastic bowl with the flask holder.

5. Pour water down the glass tube until the flask and the glass tube is full.

6. Turn on the heat and wait for the geyser to erupt through the glass tube.

7. The plastic container will catch the water safely.

Answer these questions about the experiment.

1. How long did it take for the geyser to erupt?

2. What happened to the water after the eruption?

3. Explain how you think changing the length of the glass tube will affect the experiment.