Science Quiz

Mixing sand and water together is an example of a _______________.

• mixture

• solution

• compound

• element

Mixing sugar and milk into coffee is an example of a _______________.

• solution

• mixture

• compound

• suspension

Can a mixture be separated back into its original substances? ___

• yes

• no

• sometimes

• only with chemicals

Can a solution be separated back into its original substances? ___

• no

• yes

• sometimes

• only with a chemical reaction

_______________ - two equal forces pushing against each other.

• balanced force

• unbalanced force

• gravitational force

• frictional force

What is the first step in the engineering process? _______________

• define the problem

• build a prototype

• test the solution

• communicate the results

The hands on a clock move in a __________ pattern of motion.

• predictable

• random

• erratic

• chaotic

_______________ - an area of land that has common features.

• region

• continent

• island

• city

The annual cycle of weather is divided into four _______________.

• seasons

• months

• weeks

• days

_______________ - two different sized forces pushing against each other.

• unbalanced force

• balanced force

• gravitational force

• frictional force