Phys Sci S1 Review

Scientific Method

100

What does PHEOC stand for?

What are Problem, Hypothesis, Experiment, Observation, and Conclusion?

200

How is a problem written? How is a hypothesis written?

What is as a question? What is as an if-then statement?

300

What is a dependent variable?

What is a variable that is measured?

400

What is a control group?

What is a part of an experiment that is used to compare the change the independent variable has on the dependent variable?

500

A student wants to know if a mechanical pencil will write more words than the normal wooden pencil they use. If the student was to conduct an experiment, what would be the independent variable? What would be the dependent variable? 

What is type of pencil? What is amount of words?

Measurement, Metrics, and Density

100

What is the equation for density?

What is density=mass/volume?

200

What process needs to be done to find the volume of an irregular object?

What is the water displacement method?

300

Convert 3,000mL into L.

What is 3 L?

400

Convert 45kg to g.

What is 45,000 g?

500

A cube with 3 cm sides has a mass of 50g. What is the density of the cube?

1.85g/cm³

Classification of Matter

100

Is a compound a pure substance or mixture?

What is a pure substance?

200

What type of change is burning wood?

What is a chemical change?

300

Texture, odor, state of matter, and boiling point are all examples of what type of property?

What are physical properties?

400

What are the two parts of a solution?

What are solutes and solvents?

500

What happens to the speed of particles as temperature increases?

What is speed increases?

The Atom & Periodic Table

100

What are the three subatomic particles?

What are protons, neutrons, and electrons?

200

What is the atomic number for oxygen?

What is the number 8?

300

What is the name of HCl?

What is hydrogen chloride?

400

Write the chemical formula for Lithium Sulfide?

What is Li2S?

500

What happens to the reactivity of elements as you read down a group on the periodic table?

What is reactivity increases?

Chemical Reactions

100

Define chemical reaction

What is one or more substances changing into one or more new substances?

200

Define combustion reaction

What is a reaction that is a hydrocarbon + oxygen yields water + carbon dioxide?

300

Balance the following equation by listing the coefficients from left to right.

H₂ + O₂ --> H₂O

What is 2, 1, 2

400

Identify the following reaction type: 

NaF + HCl --> HF + NaCl

What is double replacement?

500

Is an ice cube melting endothermic or exothermic?

What is an endothermic reaction?