Edible Science Grade 3 & 4 Quizizz

Adding baking soda and vinegar together, it fizzes and creates carbon dioxide. What type of reaction is it?

• Chemical

• Physical

What do you do with the fizzing (effervescent) tablet?

• Put it in whole

• Break it in half and put it in

• Break it it into 1/3 and put it in

• Break it into 1/4 and put it in

what are the ingredients in Lava Lamp Experiment

• water, coloring, vinegar, and baking soda

• water, oil, coloring, and baking powder

• water, oil, coloring and effervescent tablet/powder

• Water, Vinegar, Baking soda, and baking powder

"Water is more denser than oil". Is this sentence True or False?

• True

• False

"Water is less dense as a solid than a liquid"

• False

• True

What are three things a battery must-have?

• 2 electrolytes and 1 electrode

• 2 electrodes and 1 electrolyte

• 1 electrolyte, 1 electrode, 1 ion

• 2 cathodes, and 1 anode

The electricity in a lemon battery comes from

• the lemon

• the chemical reaction of zinc and copper

• the lemon juice

• cathodes only

In the lemon battery, the lemon is...

• The electrode

• The electrolysis

• The electrolyte

• The electricity

A copper penny turning greenish after a few years. What type of reaction is it?

• Physical

• Chemical

Electrons travel from ............................

• Cathode to Anode

• Anode to Cathode