Intro to Chemistry

Particles in an atom that are neutral and have no charge are

• molecules

• electrons

• neutrons

• protons

• I do not know

Particles in an atom that are negative

• molecules

• electrons

• neutrons

• protons

• I do not know

Particles in an atom that are positive

• molecules

• electrons

• neutrons

• protons

• I do not know

What is a molecule?

• A substance that cannot be broken down further by chemical or physical means

• A group of two or more atoms that are chemically bonded

• Two or more substances together in the same place but not chemically bonded

• A substance that is not able to undergo a chemical or physical change

• I do not know

Tags

NGSS.MS-PS1-1

What is a mixture?

• A substance that cannot be broken down further by chemical or physical means

• A group of two or more atoms that are chemically bonded

• Two or more substances together in the same place but not chemically bonded

• A substance that is not able to undergo a chemical or physical change

• I do not know

What is a element?

• A substance that cannot be broken down further by chemical or physical means

• A group of two or more atoms that are chemically bonded

• Two or more substances together in the same place but not chemically bonded

• A substance that is not able to undergo a chemical or physical change

• I do not know

What is a physical change?

• A change that alters the form or appearance of matter but does not turn any substance into a different substance

• A change in matter that produces one or more new substances

• A change that involves destroying atoms that are in the substances

• I do not know

Tags

NGSS.MS-PS1-4

What is a chemical change?

• A change that alters the form or appearance of matter but does not turn any substance into a different substance

• A change in matter that produces one or more new substances

• A change that involves destroying atoms that are in the substances

• I do not know

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is an example of a chemical change?

• Baking a cake

• Melting snowman

• Boiling water

• Ripping a paper

• I do not know

Tags

NGSS.MS-PS1-2

Which is an example of a physical change?

• Fireworks

• Freezing water into ice

• Mixing baking soda and vinegar

• Growing with the help of the Sun

• I do not know