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WorksheetsScience STAAR practice
Total questions: 13
Worksheet time: 8mins
Which material will keep a hot drink warm for the longest period of time?
Material 1
Material n2
Material 3
Material 4
Which statement BEST supports the ansewer to number 1?
The material that will keep the drink warm longest insulates thermal energy inside the cup.
The material that will keep the drink warm longst conducts thermal energy into the cup.
The material that will keep the drink warm longest conducts thermal energy away from the cup.
The material tht will keep the drink warm longest insulates thermal energy from entering the cup.
Which option shows the correct order of the materils from lowest to highest density?
object X, object Y, water, liquid 2
water, liquid 2, object x, object y
water, object x, liquid 2, object y
object x, water, object y, liquid 2
Which list puts the items in order from
MOST dense to LEAST dense?
cork, oil, plastic paper clip, water, penny
water, penny, oil, plastic paper clip, cork
penny, water,plastic paper clip, oil, cork
oil, penny, cork, plastic paper clip, water
A student makes a mixture of gravel, iron fillings, and water. Which table correctly identifies the tools that cn ne used to separate each substance from the mixture?
A student heats 250 milliliters of wter in a cup to approximately 50 C and adds 6 grams of salt. The mixture of salt and water is then stirred for 15 seconds.
Select TWO correct answers.
the salt will dissolve
the salt will sink to the bottom of the cup
the water will remain clear
the salt will float on the water
the water will change from clesr to opaque white
A student wants to investigate how the force with which a ball is thrown affects how high of a splash it makes a pool.
Which table BEST represents how the investigation should ne set up
?
What is ONE more piece of equipment needed to test the hypothesis AND how can the hypothesis be tested?
(a)
A student builds the circuit shown. The student closes Switch 1 and Swith 3. Which lightbulb will glow?
Select ONE correct answer.
L1
L2
L3
L4
Which switches must be closed for Bulb 1 to remain drk BUT Bulb 2 to produce light?
Switch 1 only must be closed.
Switches 2 and 3 must be closed.
Switches 1 and 3 must be closed.
Switches 1,2,3 must be closed.
Based on the student's sundial, which letter is closes to the position of the sun when the picture was taken?
W
X
Y
Z
Which TWO processes of sedimentary rock formation are being modeled AND how are they being modeled?
(a)
Which sttement explains why one organism is better adapted to the removal of the tall trees?
The fungi are better adapted because they have spores tht grow better in the dark.
the ferns are better adapted because they have strong root systems.
The fungi are better adapted becuase theyn can get enrgy from decaying trees.
The ferns are better adapted becuase they get energy from the sun.
