Science Midterm Review

As you move farther down a group of the periodic table, the elements become ________________.

• heavier

• lighter

• shinier

• more dull

Lemon juice and sauerkraut both taste sour because each contains ____________________.

• acids

• bases

• table sugar

• salt

What is the best method for a student to determine if a substance is an acid or a base?

• taste it

• stir it

• mix it with water

• use litmus paper

In which phase are particles the closest?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

What occurs when a substance melts?

• It change from solid to liquid

• It changes from solid to liquid

• It changes from liquid to solid

• It changes from liquid to solid

To dissolve a sugar cube fastest __________________.

• use cold water and leave it alone

• use warm water

• use hot water, do not stir

• use hot water and stir

When cold water is heated, the speed of the water molecules _____________________.

• increases

• decreases

• remains the same

• stop

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Matter is anything that takes up _____________ and has mass.

• space

• time

• particles

Scientists classify all of the known elements into the __________________.

• Periodic Table of Elements

• Three States of Matter

• Structure of an Atom

Atoms are made up of three particles:

• protons

• electrons

• neutrons

• All of the above.

Tags

NGSS.MS-PS1-1