Answer:
two ways
Step-by-step explanation:
Newspaper Volcano
Things you need:
Newspaper
Cardboard
Large plastic bottle
Cellulose adhesive
Paint
Scissors
Instructions:
Step 1: First, place a bottle in the middle of your cardboard base. Apply the adhesive paste all over the cardboard and glue the crumpled newspaper over it.
Step 2: Then, glue the newspaper around your bottle too, and paint the entire structure to ensure it looks like a volcano. Set it aside and allow it to dry for a couple of hours or days.
Step 3: When it’s ready, pour the baking soda, vinegar, and food coloring into the bottle to make the volcano erupt.
Sand Volcano
Things you need:
Sand
1 tbsp baking soda
2 cups vinegar
Funnel
Empty plastic bottle
Red/orange food coloring
Instructions:
Step 1: First, place an empty plastic bottle in a mound of sand.
Step 2: Use a funnel to add some baking soda to the bottle.
Step 3: Mix some food coloring and vinegar together and pour this mixture inside the bottle and watch your volcano erupt!