When a solid turns into gas is called

• Sublimation

• Reverse sublimation

• Condensation

• Melting

Tags

NGSS.MS-PS1-4

Which of these things are matter

• Oxigen

• Oil

• Love

• Happyness

An object with 0,3 g/cm3

• floats in water

• sinks in water

• fills with water

• floats on the air

Select the true statement about chemical reactions

• The matter is still made up of the same substancesThis is a wrong answer

• the original matter can be recovered

• the atoms have not changed groupingsThis is a wrong answer

• it cannot be reversedThis

Name the chemical reaction: When a bike has been left outside in the rain.

• Oxidation

• Fermentation

• Combustion

• Deposition

Name the reaction: a car engine is turned on.

• Oxidation

• Fermentation

• Combustion

• Deposition

How can you calculate the volume of this object?

• With a mathematical formula

• With measuring cylinders

• With a scale

• With a measuring cylinder and a scale

How can you calculate the mass of this liquid?

• With a mathematical formula

• With measuring cylinders

• With a scale

• With a measuring cylinder and a scale