iReady Assessment Practice - Balloons

What should you do after you stir the baking soda into the water?

• Fill the balloon with some of the gas.

• Put the balloon on the top of the bottle.

• Add the lemon juice to the bottle.

• Add 2 more ounces of water to the baking soda.

What makes the gas form in the bottle?

• the water and air from the balloon

• the lemon juice and water in the bottle

• the water mixing with the baking soda

• the lemon juice mixing with the baking soda

Why is it important to put the balloon on the bottle as fast as you can?

• so nothing in the bottle will spill out

• so the gas cannot get loose into the air

• so all the things in the bottle mix together

• so no one breathes the gas from the bottle

How does the picture help you understand what happens after you complete step 5?

• It shows how the gas rises up into the balloon.

• It shows how to mix the water and baking soda.

• It shows how quickly the balloon fills up.

• It shows much lemon juice to add.

In step 3, you add baking soda to the water. Then what do you do? Draw a picture. Show what else you must do in step 3.

Write a sentence that tells about your picture that you drew in the previous question..