Beckham's Science Feb. Test

Definition: A chemical property is a characteristic of a substance that can only be observed during a chemical reaction, revealing the substance’s ability to form new substances.

• chemical property
• Acid

• hypothesis

Tags

NGSS.MS-PS1-2

What is a chemical property?

• A characteristic that can only be observed when a substance undergoes a chemical reaction.

• A characteristic that describes the color of a substance.

• A property that changes only the size of an object.

• A property that can be observed without changing the substance's identity.

Tags

NGSS.MS-PS1-2

Which of the following is NOT a chemical property?

• Flammability

• Reactivity with acid

• Melting point

• Ability to rust

Tags

NGSS.HS-PS1-1

What is a physical property?

• A characteristic observed during a chemical reaction.

• A property that changes the composition of a substance.

• A property observed without changing the identity of a substance.

• A property related to the flammability of a substance.

Which of the following is an example of a physical property?

• Reactivity with oxygen

• Ability to burn

• Density

• Reactivity with water

Is the ability to dissolve a chemical or physical property?

• Chemical property

• Physical property

• Both chemical and physical properties

• Neither chemical nor physical properties

Does a chemical reaction change physical properties, chemical properties, or both?

• Physical properties only

• Chemical properties only

• Both physical and chemical properties

• Neither physical nor chemical properties

Tags

NGSS.MS-PS1-2

What is a monomer?

• A large molecule made of repeating units.

• A small molecule that binds to other molecules to form polymers.

• A type of natural material.

• A chemical property of synthetic materials.

Tags

NGSS.HS-LS1-6

What is a polymer?

• A small molecule that forms natural materials.

• A large molecule made of repeating monomer units.

• A chemical reaction in natural materials.

• A molecule that cannot be synthesized artificially.

Tags

NGSS.MS-PS1-1

How can polymers be made stronger?

• By heating them.

• By increasing cross-linking between polymer chains.

• By adding water molecules.

• By reducing the number of monomers.