Question

What is a mixture?(1 point)
Responses

A substance physically combined without any chemical bonding
A substance physically combined without any chemical bonding

A substance composed of only one type of atom
A substance composed of only one type of atom

A pure substance that cannot be broken down into simpler substances
A pure substance that cannot be broken down into simpler substances

Two or more different elements chemically bonded together in a fixed ratio
Answer
What is thermal energy?(1 point)
Responses

The energy associated with the motion of particles within a substance
The energy associated with the motion of particles within a substance

The energy associated with the chemical reactions of a substance
The energy associated with the chemical reactions of a substance

The energy associated with the phase change of a substance
The energy associated with the phase change of a substance

The energy associated with the temperature of a substance
Answer
Which of the following is an example of an element?(1 point)
Responses

Oxygen
Oxygen

Carbon Dioxide
Carbon Dioxide

Salt
Salt

Water
Answer
Which of the following describes what it means when subjects and verbs agree?(1 point)
Responses

They are not separated by interrupting words.
They are not separated by interrupting words.

They have the same ending.
They have the same ending.

They describe the same things.
They describe the same things.

They are both singular or both plural.
They are both singular or both plural.
Answer
Which sentence uses correct subject-verb agreement?(1 point)
Responses

The cat carefully steps across the fence.
The cat carefully steps across the fence.

My brother always want to cook dinner.
My brother always want to cook dinner.

My teachers often gives homework on the weekend.
My teachers often gives homework on the weekend.

The clouds swiftly moves across the sky.
Answer
Which sentence displays correct subject-verb agreement?(1 point)
Responses

The dialogue spoken by the actors make the crowd roar with laughter.
The dialogue spoken by the actors make the crowd roar with laughter.

The people in the audience stand as the show ends.
The people in the audience stand as the show ends.

The actors in the play returns to take another bow.
The actors in the play returns to take another bow.

The helpers working behind the stage comes out, too!
The helpers working behind the stage comes out, too!
Answered by GPT-4o mini
The correct response is:

**A substance physically combined without any chemical bonding**.
Answered by GPT-4o mini
The correct response is:

**The energy associated with the motion of particles within a substance.**
Answered by GPT-4o mini
The correct response is:

**Oxygen.**
Answered by GPT-4o mini
The correct response is:

**They are both singular or both plural.**
Answered by GPT-4o mini
The correct response is:

**The cat carefully steps across the fence.**
Answered by GPT-4o mini
The correct response is:

**The people in the audience stand as the show ends.**