Smithsonian Science

On heating metal rim

• expands

• contracts

• depends how much it is heated

Tags

NGSS.MS-PS1-4

Observe the picture and identify the source belongs to which nutrient?

• Carbohydrates

• Fats

• Protein

• Vitamin

An overworked software engineer always gets tired because of a lot of work. Which nutrient will be required for him to overcome his problem?

• Protein

• Mineral

• Fat

• Carbohydrates

Which one of the following is a deficiency disease?

• Beri-beri

• Scurvy

• Rickets

• All of these

which of the following is opaque?

• tinted glass

• glass

• butter paper

• wood panel

Tags

NGSS.MS-PS4-2

Metals are

• Hard and shiny

• Hard and dull

• Soft and Dull

• Soft and Shiny

It is formed when substances are combined

• matter

• mixture

• solid

• liquid

which of the following is soluble in water

• soil

• sugar

• sand

• chalk

It is a solvent that dissolves many substances, also call universal solvent.

• solute

• solvent

• water

Process by which solid directly changes in to gas without becoming liquid

• evaporation

• sublimation

• melting

Tags

NGSS.MS-PS1-4