T1 SCI7 - REVIEW 1

Multiple Choice

Zoology is the study of animals.

• physical science

• earth science

• life science

Multiple Choice

a statement of what will happen next in a sequence of events

• inference

• hypothesis

• prediction

• conclusion

Multiple Choice

The scientific inquiry process ends after drawing a conclusion.

• TRUE

• FALSE

Multiple Choice

A theory “graduates” into a law when it is proven.

• TRUE

• FALSE

Multiple Choice

SI base unit for mass

• gram

• kilogram

• ounce

• pound

Multiple Choice

SI base unit for time

• hour

• minute

• second

• day

Multiple Choice

What is 52,000 in scientific notation?

• $$5.2\ x\ 10^4$$  

• $$5.2\ x\ 10^{-4}$$  

Multiple Choice

What is 0.0005 in scientific notation?

• $$5.0\ x\ 10^4$$  

• $$5.0\ x\ 10^{-4}$$  

Multiple Choice

Which of the following should be used to determine the mass of a substance?

• calculator

• glassware

• balance

• thermometer

Multiple Choice

describes how close the measurement is to the actual value

• accuracy

• precision

Multiple Choice

The independent variable affects change in the dependent variable.

• TRUE

• FALSE

Multiple Choice

The negatively charged particle in an atom.

• proton

• electron

• neutron

Multiple Choice

Electrons and protons are located in the nucleus.

• TRUE

• FALSE

Multiple Choice

oxygen gas

$$O_2$$  

• element

• compound

• mixture

Multiple Choice

carbon dioxide gas

$$CO_2$$  

• element

• compound

• mixture

Multiple Choice

number of protons in an atom; used to identify the element

• atomic mass

• atomic number

Multiple Choice

Mixtures are a combination of substances chemically blended together.

• TRUE

• FALSE

Multiple Choice

Solutions are homogeneous mixtures.

• TRUE

• FALSE

Multiple Choice

Which is present in the largest amount?

• solute

• solvent

Multiple Choice

Which of the following is NOT a property of metals?

• conductivity

• malleability

• ductility

• brittleness

Multiple Choice

All gases are _____.

• metals

• nonmetals

• metalloids