Why do ice cubes float in a glass of water?

the water is more dense than the ice cubes

the ice cubes are more dense than the water

the water is more dense than the glass

the ice is more dense than the glass

Why do elements in the same column of the periodic table have similar reactivity?

They have the same number of valence electrons.

Their electron shells are full.

Their electron shells are empty

The have different numbers of valence electrons

are on the top right of the periodic table

are on the top left of the periodic table

are on the lower left of the periodic table

are at the bottom of the periodic table

What is the formula to solve for the neutron?

Mass - Atomic Number = Neutrons

Mass x Atomic Number = Neutrons

Mass + Number of Protons = Neutron

What is a hypothesis?

A hypothesis is an educated guess.

A hypothesis is the right answer to an experiment.

A hypothesis is the wrong answer to an experiment.

Dependent variable means

the scientist controls what to test

Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.

If I make a paper airplane from notebook paper, then it will fly faster than construction paper.

I think the construction paper air plane will fly faster.

How did Mendeleev organize the elements in his periodic table?

increasing atomic mass with periods and groups

increasing atomic number with periods and groups

What is the goal of the Lewis Dot Structure?

To show the element's valence electrons & bonding capabilities.

To determine the electron position.

To find the atomic mass of an element.

To search for the number of electrons in an individual atom.

IPC Midterm Review

Quiz

•

Physics

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-2, MS-PS1-1, MS-PS1-5

+10

Standards-aligned

Stefanie Turner

Used 44+ times

FREE Resource

60 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pizza

Heterogeneous

Homogeneous

2.

MULTIPLE CHOICE QUESTION

10 sec • 12 pts

Sugar water

Heterogeneous

Homogeneous

3.

MULTIPLE CHOICE QUESTION

10 sec • 12 pts

Vinegar

Heterogeneous

Homogeneous

Salad is an example of a

homogeneous mixture

heterogeneous mixture

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Italian Salad Dressing

heterogeneous mixture

homogeneous mixture

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the difference between a homogeneous mixture and a heterogeneous mixture?

homogeneous is the same throughout, heterogeneous is different throughout

homogeneous is different throughout, heterogeneous is the same throughout

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following tells you that a chemical change may have occurred?

Change Shape

Melting

Vaporizing

Change in color

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60 questions

Pizza

Sugar water

Vinegar

Salad is an example of a

Italian Salad Dressing

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Which of the following tells you that a chemical change may have occurred?

Is wood burning a physical or chemical change?

Is Gatorade powder dissolving in water physical or chemical change?

Is making orange juice a physical or chemical change?

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