Question

ben is mixing kitchen ingredients with his little brother. when ben adds vinegar to baking soda, he notices that the mixture begins to bubble and change temperature. he wonders what factors affect how a liquid reacts with baking soda. he has the following supplies: a box of baking soda, vinegar, tap water, carbonated water, two bowls, two thermometers. using only these supplies, which questions can ben investigate with an experiment? select all that apply. does baking soda cause a bigger temperature change when mixed into a bowl of vinegar or into a bowl of water? does baking soda bubble more when mixed into a bowl of water or into a bowl of lemon juice? does baking soda or baking powder create more bubbles when mixed into a bowl of water? does baking soda bubble more when mixed into tap water or into carbonated water?

Explanation:

Step1: Check supplies

Ben has baking - soda, vinegar, tap water, carbonated water, two bowls and two thermometers.

Step2: Analyze each option

• For "Does baking soda cause a bigger temperature change when mixed into a bowl of vinegar or into a bowl of water?": He has vinegar, water, bowls and thermometers, so he can measure temperature changes.
• For "Does baking soda bubble more when mixed into a bowl of water or into a bowl of lemon - juice?": He doesn't have lemon - juice, so he can't investigate this.
• For "Does baking soda or baking powder create more bubbles when mixed into a bowl of water?": He doesn't have baking powder, so he can't investigate this.
• For "Does baking soda bubble more when mixed into tap water or into carbonated water?": He has tap water, carbonated water and bowls, so he can observe the bubbling.

Answer:

Does baking soda cause a bigger temperature change when mixed into a bowl of vinegar or into a bowl of water?
Does baking soda bubble more when mixed into tap water or into carbonated water?