Week 20 and 21 Fast and the Curious

What is the definition of a substance?

• A substance is a an idea

• A substance is a collection of random particles

• A substance is a form of matter with distinct properties.

• A substance is electricity

a substance that is usually sour, such as vinegar or orange juice

• acid

• sugar

• oil

• salt

when one substance mixes with another and it looks like it disappears, such as when sugar mixes into tea

• Dissolve

• Sublimate

• Condense

• Evaporate

a process where one or more substances form a new substance

• Chemical reaction
• Phase transition
• Physical change
• Mixture formation

What is the definition of a scientific property?

• A scientific property is a measurable or observable characteristic of a substance or system.
• A scientific property is an unmeasurable trait of a system.
• A scientific property is a random guess about a substance.
• A scientific property is a subjective opinion about a material.

What is a mixed number?

• A mixed number is a fraction without a whole part.
• A mixed number is a type of decimal.
• A mixed number is a combination of a whole number and a proper fraction.
• A mixed number is only a whole number.

Seven students share four cupcakes. What equation represents this situation?

Fractions and division are not the same.

• TRUE

• FALSE

What is the definition of detect?

• To ignore or overlook something.
• To create or produce something new.
• To analyze or evaluate something thoroughly.
• To discover or identify the presence of something.

What is the definition of transcribe?

• To analyze the meaning of words

• To translate written text

• To summarize spoken words

• To convert speech or written text into a written format.