The correct response is:
A substance physically combined without any chemical bonding.
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
11 answers
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
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
The correct response is:
The energy associated with the motion of particles within a substance.
Which of the following is an example of an element?(1 point)
Responses
Oxygen
Oxygen
Carbon Dioxide
Carbon Dioxide
Salt
Salt
Water
Responses
Oxygen
Oxygen
Carbon Dioxide
Carbon Dioxide
Salt
Salt
Water
The correct response is:
Oxygen.
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.
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.
The correct response is:
They are both singular or both plural.
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.
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.
The correct response is:
The cat carefully steps across the fence.
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!
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!
The correct response is:
The people in the audience stand as the show ends.