WCAS Science Test Prep

Quiz
•
Science
•
8th Grade
•
Hard
+6
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The model shows a process that occurs in a tomato plant
A process Occurring in a Tomato Plant
Which labels correctly complete the model to help describe this process?
water sunlight stored energy
sunlight stored energy water
sunlight water stored energy
stored energy water e.sunlight
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement best describes an effect of humans on this food web?
the population of bald eagles may be reduced by humans consuming too many smelt.
Competition among humans, alewife, and smelt decreases food availability for bald eagles
Humans decrease the populations of phytoplankton and zooplankton by consuming chinook salmon
Human consumption of coho salmon and chinook salmon may reduce food sources for herring gulls
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-2
NGSS.MS-LS2-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Look into the sky on a clear night and you may be able to observe the Moon, or part of it, lit up by the Sun. People can keep track of the Moon's appearance from Earth in lunar calendars. This makes it easy to see how the appearance of the Moon changes over time. A student made the following lunar calendar for 16 days, but it was cloudy on several nights.
A student is studying the partial lunar calendar. Which sequence of moon phases correctly represents the pattern in the appearance of the moon and completes the calendar?
Tags
NGSS.MS-ESS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram below represents the saltwater solution made by the student. When salt (NaCl) molecules are added to water (H2O), they break into one sodium (Na) particle and one chlorine (Cl) particle.
Chose the name of the solvent and solute
Solute = H2O Solvent=NaCI
Solvent = H2O Solute= NaCl
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student needs to separate a mixture compsed of iron fillings and sand. How can the student most easily separate all the iron fillings from the mixture?
Use a magnet to attract the iron filings
Use filter paper to isolate the iron filings
Add water to the mixture and pour off the floating iron filings.
Add water to the mixture and allow it to evaporate and leave behind the iron filings
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
A student is identifying properties of chemical particles by using the chart below. Complete the chart by selecting boxes to identify each property as a description of an atom, a molecule, or both
Properties of Particles
Which are composed of more than one particle?
atom
molecule
Hydrogen
Tags
NGSS.MS-PS1-1
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Two words that correctly identify properties of these planets
Uranus -Neptune- Saturn- Jupiter
rocky
gaseous
large
small
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