ASPS Science 2026

Scientific Method

100

The first step of the scientific method, where you notice something interesting.

Observation

200

The variable that is intentionally changed by the scientist.

The independent variable

300

The variable that is measured during an ecperiment.

The dependent variable

400

A student changes only the amount of fertilizer each plant receives while keeping everything else the same. Identify the independent and dependent variables.

Independent: Fertilizer amount

Dependent: Plant growth

500

A scientific law describes what happens, while this explains why it happens.

A scientific theory

Metric System

100

Convert 3.6 kilograms into grams.

3600 grams

200

Convert 4.25 meters into centimeters.

425 centimeters

300

Convert 2750 milliliters into liters

2.75 liters

400

Convert .085 kilometers into millimeters.

85000 millimeters.

500

A scientist measures a sample to be .0045 kilometers long.

Express this measurment in meters, centimeters, and millimeters.

4.5 meters

450 centimeters

4500 millimeters

Physics

100

This force pushes upward on an object resting on a surface.

The normal force

200

A ball rolls off a table. Ignoring air resistance, what is the only force acting on it while it is in the air?

Gravity

300

A 5kg object accelerates at 4m/s². Find the net force.

20 Newtons

400

A ball falls from 1.8 meters. Find its impact velocity.

Approximately 5.94 m/s

500

A 0.30 kg ball is dropped from 2.22 meters. Find its weight and potential energy. 

2.94 Newtons

6.53 Joules

Chemistry & Atomic Structure

100

This subatomic particle has a positive charge and determines the identity of an element.

Proton

200

Classify each substance as an element, compound, homogeneous mixture, or heterogeneous mixture:

Gold, Trail Mix, Salt Water, Water

Gold - Element

Salt Water - Homogeneous mixture

Trail Mix - Heterogeneous mixture

Water - Compound

300

Determine the number of protons, neutrons, and electrons in a neutral sodium atom (Na-23).

Protons: 11

Neutrons: 12

Electrons: 11

400

An atom has 15 protons, 16 neutrons, and 18 electrons. Determine what element the atom is, its atomic mass, and its charge.

Phosphorous

Atomic mass: 31

Charge: -3

500

Determine whether each compound is ionic or covalent, and explain why (what do the electrons do / what are the parts of the compound).

NaCl, CH₄, MgCl_2, CO₂

NaCl - Ionic (metal + nonmetal)

CH₄ - Covalent (nonmetal + nonmetal)

MgCl₂ - Ionic (metal + nonmetal)

CO₂ - Covalent (nonmetal + nonmetal)

Organic Chemisty

100

Organic chemistry is primarily the study of this element.

Carbon

200

What suffix is used for hydrocarbons containing only single bonds?

-ane

300

Name the compound: C₃H₆ 

(It contains one double bond.)

Propene

400

Name the compound: C₄H₆

(It contains one triple bond.)

Butyne

500

Name all three compounds:

C₂H₆

C₃H₄ (one triple bond)

C₅H₁₀ (one double bond)

C₂H₆ - Ethane

C₃H₄ - Propyne

C₅H₁₀ - Pentene