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WorksheetsScience STAAR Review
Total questions: 61
Worksheet time: 52mins
It is the amount of matter in an object.
volume
mass
weight
density
What units do we use to measure mass?
meter
Celsius
kilogram/gram
Newton
Which of the following determines an object’s ability to float in water?
volume
mass
weight
density
Which tools are best for separating a mixtures of sand, iron filings, and water?
Hot plate and filter
Tweezers and filter
Filter and magnet
Magnet and hot plate
Which substances, when mixed together, maintain their original physical properties?
gravel and water
wood chips, water and sand
sand and water
all of the above
All of the following are examples of containers filled with mixtures EXCEPT -
a jar filled with trail mix
a glass filled with lemonade
a bowl of cereal with milk
a cup of fruit salad
Which mixture can be separated using a filter?
sand and iron filings
saltwater
sand and water
none of the above
A cup of orange juice with pulp is poured into a glass. Which of these procedures could be done to separate the juice from the pulp?
pour the juice through a coffee filter
heat the juice in a pot until boiling
pour the juice in another cup
allow the mixture to settle, leaving the pulp at the bottom of the glass
What is a solvent?
The material being dissolved.
The liquid used to dissolve.
What is a solute?
The liquid used to dissolve.
The material being dissolved.
You need at least how many substances to make a mixture?
1
2
3
4
Solubility is the ability of a material to.....
conduct heat.
float.
dissolve in a liquid.
attract or repel metals.
How can we remove sugar from a sugar water solution?
Melting
Freezing
Evaporating
Sublimating
How can we remove sand from a sand and water mixture?
Tweezers
Filter
Magnet
How does the light travels?
in parallel
in a straight line
on its own orbit
on its own path
This situation shows that
light travels in a straight line
light is everywhere
light penetrates certain objects
light is produces by the Sun
There is no shadow formed on the screen. Why?
The object is opaque
The light source is too dim
The object is transparent
The object is translucent
Which of these provides the best explanation for why the pencil appears broken?
The pencil absorbs the light rays that hit it.
Water reflects light rays away from the pencil.
Light rays are refracted by the water in the glass.
The surface of the water reflects the light rays.
stops the flow of electricity
conductor
insulator
For a circuit to work, it must be...
open
incomplete
closed
have a switch
What type of circuit is this?
series
simple
open
parallel
What kind of circuit is this?
series
parallel
simple
open
Wood is...
conductor
insulator
Copper wire is...
conductor
insulator
What happens if a bulb goes out in a parallel circuit?
all bulbs go out
the battery dies
other bulbs stay lit
the circuit is broken
Adaptation: Bear sleeping in a cave during the winter months
Adaption: birds flying south for the winter
