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In this matching activity (3rd activity on the page), learners use their sense of smell to match pairs of opaque containers filled with various smelly items like orange peel, roses, or moth balls.

In this chemistry activity (page 1 of the PDF), learners will observe a physical change.

In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.

Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?

In this activity, learners design a crushing test and discover that identifying and controlling the variables may be difficult.

In this weather activity (page 1 of the PDF), learners will construct their very own anemometer to measure wind speed.

This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.

Why should we wear masks? Do masks work? Do some masks work better than others? Learners find out in this activity.

This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this physics activity, learners experiment with pulleys and find that they can decrease the effort needed when using a pulley to lift or move different loads.

In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.

In this activity, learners create volcanoes like those they have examined on Earth and Mars through images taken by spacecraft.

In this activity, learners compare the number of letters in the names of the people in their families or group of friends.

In this activity, learners investigate whether having sugar already dissolved in water affects the speed of dissolving and the movement of sugar and color through the water.

In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible

How do you measure a bubble when it's floating? You can't really, but in this activity, learners can measure the diameter of the ring of suds a bubble leaves on a flat surface.

In this activity, learners build and play three math games. In the first game, called "Switcheroo," learners place marbles in holes 1 through 4 and 7 through 10.

In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister.

In this activity learners will be creating art using a traditional Japanese art style.