Introduction to Matter

Front

Ice is melted in a pan. What type of change is this?

Back

It is a physical change that absorbs energy (endothermic).

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

New substances are produced by a _______ change.

Back

Chemical

Front

An ______ change releases energy.

Back

exothermic

Front

The law of ______ of mass states that in any physical or chemical change, matter is neither created nor destroyed.

Back

conservation

Front

Which of the following is not a physical change?

• cooking bacon
• glass breaking
• sugar dissolving
• ice melting

Back

cooking bacon

Front

Changing the state of matter is a _____ change.

Back

physical

Front

What is related to the energy of motion of the particles of matter?

Back

Temperature

Front

Thermal energy naturally flows from ______ matter to cooler matter.

Back

warmer

Front

Changes in form or appearance without changing the substance are...

Back

physical properties

Front

A mixture in which you can usually see the different parts and they can easily be separated out.

Back

heterogenous