Phys Sci Semester 1 Review

What is the ability to make judgements and decisions using evidence and supported reasons?

What type of change is burning wood in a fire pit?

Which of the following is an Acid?

This element has 9 Electrons and 10 Neutrons

The temperature at which all motion stops is called?

23 g = ________kg

Metals form __________ ions.

The transfer of energy by differences in density

Classify the property: ice melts at 0⁰C

What is the density of a block that has a mass of 20g and a volume of 10 cm³?

The metric unit for mass is.....

Adding Sugar to lemonade is an example of ...

What is the phase change called from a solid to a gas?

What part of Scientific Method is the following? We need to determine why the carpet is wearing out so fast.

Balance: __Mg +  __HCl    →     __MgCl₂  + __H₂

Which of the following is a pure substance?

Has no definite shape or volume.

THe type of bond that forms between a metal and non-metal?

An isotope has a different number of _______ in the nucleus.

Classify: kool aid

If a a substance has a pH of 5 how is it classified?

Which of the following is in correct scientific notation?

If oil floats on water, which is less dense?

207 K = _________⁰C (⁰C = K - 273)

A substance made of atoms of two or more different elements that are chemically combined?

Classify the following: a pail of rocks and sand

H₂ + O₂ → 2 H₂O

Give the formula for Nitrogen Pentachloride

2 NaCl    →     2 Na  +    Cl₂

Classify the following: kool aid

Classify the following as an element or a compound: NO₂

A substance that is made of two or more different elements that are chemically combined.

What is the substance that is formed (made) in a chemical reaction?

What is the study of matter, its composition and its changes?

What is the study of matter and energy?

____________ prevents unwanted energy transfer.

100⁰C =__________K ( K=⁰C + 273)

Lithium belongs to which family?

What part of Scientific Method is the following? The data is recorded in the table.

Name the following compound. SF₈