Physical Science Pre-Test

What are the three states of matter?

• ice, water, steam

• carbon, hydrogen, oxygen

• solid, liquid, gas

• water, carbon dioxide, oxygen

When we rip a piece of paper in half, a __________ change has occurred.

• chemical

• physical

• combustion

• no change

Chlorine has the atomic number 17 and mass of 35. How many protons does a chlorine atom have?

• 17 protons

• 18 protons

• 35 protons

• 7 protons

What makes up the nucleus of an atom?

• protons, neutrons, and electrons

• protons and neutrons

• protons and electrons

• neutrons and electrons

Tags

NGSS.HS-PS1-8

In what type of bond are the electrons shared between atoms?

• covalent bond

• ionic bond

• metallic bond

The majority of elements on the Periodic Table are:

• metals.

• metalloids.

• nonmetals.

Determine the type of chemical reaction for the following equation: AB --> A + B.

• Combustion

• Decomposition

• Double Displacement

• Single Displacement

• Synthesis

Determine the type of chemical reaction for the following equation: Cu + AgNO₃ --> Ag + Cu(NO₃)₂.

• Combustion

• Decomposition

• Double Displacement

• Single Displacement

• Synthesis

Which of the following is the equation to solve for speed?

• speed = distance x time

• speed = time ÷ distance

• speed = distance ÷ time

• speed = displacement ÷ time

Nemo swims at a speed of 2 m/s for 10 seconds. How far (in meters) does he swim?

• 8 meters

• 20 meters

• 5 meters

• 0.5 meters