DIY Lava Lamp

What happens to the water when added to the oil in the bottle?

• The water mixes with the oil.

• The water stays on top of the oil.

• The water sinks to the bottom of the oil.

• Nothing happens.

What happens when the Alka-Seltzer is immersed in the mixture?

• It completely dissolves and does nothing

• The tablet reacts with the oil and has a bubbling reaction

• The tablet reacts with the water and has a bubbling reaction

• The tablet makes the mixture spew over

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What scientific principal causes the mixtures to be separated in the bottle?

• Immersion

• Chemical Imbalance

• Volume

• Density

How much oil is needed in the bottle?

• 100mL

• 200mL

• 300mL

• 400mL

What happens when the food coloring is added to the water and oil mixture?

• It floats on top

• It sinks to the bottom of the oil and mixes with the water

• It sinks all the way to the bottom

• It mixes with the oil and water

How many pieces should the tablet be broken into?

• 1-2

• Don't break it, leave it as is

• 12-14

• 4-5

How many drops of food coloring will you need in your lamp?

• 2-3

• 8-10

• 5-6

• 15-17

What is the process called that scientist use when planning an experiment?

• Scientific Questioning

• Scientific Method

• They just guess

• Scientific Plan

Answer explanation

When scientist do an experiment, they use scientific method. The scientific method is a process of steps scientist use when testing and experimenting.

What is one reason why oil an water do not mix?

• Water is heavier then oil.

• Oil does not like the water.

• They are two different colors.

Answer explanation

Water molecules are packed differently. The molecules of water are packed very densely.

What is a hypothesis?

• A prediction

• A type of scientific tool

• A question

• The results of an experiment

Answer explanation

A hypothesis is an educated guess, a prediction of what might happen in your experiment.