Brain Blast Density Challenge (EZ)

What is the definition of Density?

• Density is always constant

• The number of people or things in a place when compared with the size of the place

• The mass of a substance per unit volume

• An intensive property of matter

Answer explanation

The measurement of how tightly a material is packed together.

What is the formula of Density?

Answer explanation

A physical properties found by dividing the mass of an object by its volume.

Based on the picture, does vegetable oil is low density or high density?

Answer explanation

Oil floats because it's less dense than water. Oil and water cannot be mixed because water molecules not attracted to oil.

Is baking soda acidic or alkaline?

Answer explanation

Alkalis has a bitter taste. Alkalis also turn the colour of red litmus paper into blue.

What are the ingredients to make a Lava Lamp?

• Oil, soap, sugar, vinegar

• Oil, paint, flour, baking soda

• Oil, baking soda, food coloring, vinegar