• Online Science Resources

    Online Science Resources
 

Resources

Science World has supported fun and engaging science education since 1989 with award-winning programming for BC teachers, parents and students. Our vast collection of resources are teacher reviewed, classroom tested and matched to BCs transformed curriculum by grade.

Please use the search field and filters on the right to find an activity or unit that suits you and your learners. Not sure what a discrepant event is? Learn more about this powerful technique for inquiry learning.

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Activities

Activity Length:
35 mins.
Activity Type:
Discrepant Event (Investigatable), Make & Take
Language:
English
Students make a tin can toy with a secret mechanism. When you roll it away, it comes rolling back!Adapted from GEM this coffee tin contains a simple elastic powered motor. The "secret" to the Come-Back Can is in the weight that hangs from the rubber band. As long as the weight hangs down as the tin...
Activity Length:
30 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
Positive and negative charges are opposite and attract. But how does a neutral material react around something charged? In this activity, students will observe the effects of charged objects on neutral materials. The negatively charged balloon (from rubbing against hair) will repel...
Activity Length:
15-20 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
Bernoulli's Principle states that as the speed of air increases, its pressure decreases. Airfoils create lift using Bernoulli effects. Air flows more quickly over the top surface of a wing than over its lower surface. An upward force is produced by the slower moving air beneath.Aircraft wings come...
Activity Length:
30 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
In this make and take, students move their boats by varying the water's surface tension with soap.The attraction of water molecules to each other (cohesion) can be weakened by the addition of soap/detergent. The attraction between water particles at the water's surface produces surface tension. The...
Activity Length:
40 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
In this make and take, students visualize how air can act like a fluid by getting their gliders to ride an air wave!When you release the Tumblewing Glider, lift occurs because of Bernoulli's principle: the air moving across the winglets moves faster than the air below, decreasing the air pressure....
Activity Length:
30 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
Students use changes of state to create chilly architecture and some slippery slopes!Salt lowers the freezing point of water. As it dissolves, the ice melts around each grain of salt. As a result, the ice is unevenly eaten away, forming a pitted, non-skid surface. This is why salt is used to melt...
Activity Length:
10 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
Water is incompressible, which means that you can't squash it to make room for air. Air is compressible, which means that you can compress (or squash) the air and add a little bit more air.One bottle is entirely full of water – you can't blow air into this bottle.The other bottle has an air gap at...
Activity Length:
30 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
Students explore the relationship between electricity and magnetism. The electrons inside atoms spin, creating tiny magnetic fields. Most objects are not magnetic because their electrons spin in different, random directions, and cancel each other out.Magnets are different. The molecules in...
Activity Length:
15 mins.
Activity Type:
Discrepant Event (Investigatable)
Language:
English
Can you make a battery using a piece of fruit?Yes, but not a very strong one! The source of electric energy in this demonstration is the combination of copper and zinc strips in the citric acid of the lemon. The citric acid of the lemon reacts with the zinc and loosens electrons. Copper pulls...
Activity Length:
15 mins. plus 2-7 days
Activity Type:
Discrepant Event (Investigatable)
Language:
English
In this activity, students describe the effects of an acid on an eggshell. The reaction of the eggshell in vinegar is an acid-base reaction. When you submerge an egg in vinegar, the shell dissolves, leaving the inner semi-permeable membrane intact.Vinegar (acid) breaks apart the solid calcium...

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