Static electricity happens when _____ build up.

• protons

• electrons

• matter

• stuff

_____ objects are made of atoms.

• Some

• A few

• Most

• All

Tags

NGSS.MS-PS1-1

Atoms are the _____ parts of matter.

• smallest

• largest

Tags

NGSS.MS-PS1-1

Two particles found in atoms are _____.

• protons and electrons

• positive and negative

• small and large

Tags

NGSS.MS-PS1-1

Electrons have a _____ charge.

• positive

• negative

Tags

NGSS.MS-PS2-3

Protons have a _____ charge.

• positive

• negative

Most atoms have different numbers of protons and electrons.

• True

• False

Tags

NGSS.MS-PS1-1

When there are the same number of protons and electrons, the atom has no charge.

• True

• False

The number of electrons in an atom can change.

• True

• False

If there are more protons than electrons, an atom will have a _____ charge.

• positive

• negative