Trimester 3 Exam - Science 7

Acids turn red litmus paper blue.

• True

• False

Opposite magnetic poles repel each other.

• True

• False

Water is neutral because it has a pH of 7.

• True

• False

pH 13 is a strong base.

• True

• False

The pH scale ranges from 1 to 20.

• True

• False

Electromagnetic induction can create electricity.

• True

• False

Tags

NGSS.HS-PS2-5

Directions: True or False (10 points) Mark (A) for TRUE and (B) for FALSE on the scantron. 17. ___ Bases feel slippery to the touch.

• True

• False

Electronegativity increases from left to right across a period.

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Metals have high electronegativity.

• True

• False

A stronger electromagnet can be made by increasing the number of coils.

• True

• False