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WorksheetsSTAAR Review Week 3
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
Two wires carrying electricity create a spark if they come too close together. Wires that carry electricity are usually covered with plastic to keep them from starting a fire. Why does plastic keep electricity from starting a fire?
a)
Plastic is a good insulator.
b)
Plastic can melt when heated.
c)
Plastic is softer than wire.
d)
Plastic is a good conductor of electricity.
2.
A student puts four objects in a bucket with water. Which two objects are most likely less dense than water?
a)
Wood block and metal paper clip
b)
Plastic ball and glass marble
c)
Metal paper clip and glass marble
d)
Wood block and plastic ball
3.
A student was asked to compare the masses of 4 blocks that were all the same size but different materials. The student used a balance to compare the masses of two blocks at the same time. The student repeated this process three more times with different blocks and recorded observations. Which list shows the blocks in order from least to greatest mass?
a)
N, M, L, P
b)
P, M, L, N
c)
N, L, M, P
d)
P, L, M, M
4.
The table lists some properties of four different samples of matter. Which two samples could be glass and saltwater?
a)
Samples 1 and 2
b)
Samples 3 and 4
c)
Samples 1 and 3
d)
Samples 2 and 3
5.
Which is NOT soluble in water?
a)
Oil
b)
Salt
c)
Honey
d)
Sugar
6.
The diagram shows a fish being viewed from the water above. The fish appears to be closer to the surface than it really is. What causes this difference?
a)
Light is reflected.
b)
Light is refracted.
c)
Light is focused.
d)
Light is absorbed.
7.
In 1859, Henry Bursill published a book of hand shadows. The picture shows one of these hand shadows. Which property of light made it possible for the hands to produce these shadows?
a)
Light can be refracted.
b)
Light is a form of energy.
c)
Light travels in straight lines.
d)
Light can be separated into different colors.
8.
Which of these best demonstrates the reflection of light?
a)
Looking through the glass of the large window.
b)
Looking at an image formed on a silver spoon.
c)
Looking at a light bulb that is glowing.
d)
Looking at a star on a clear night.
9.
Scientists use telescopes to make far objects appear closer. Which of the following best describes how an objective lens of the telescope helps the scientist observe the moon? The objective lens--
a)
produces light
b)
blocks light
c)
reflects light
d)
refracts light
10.
When light travels through air into a prism, it bends and separates into many colors. In which other situation does light bend?
a)
When light moves from air into water
b)
When light hits a wall
c)
When light passes through outer space
d)
When light hits a mirror
11.
Some people add sugar to their hot tea. Which property of sugar remains the same when the sugar is in the tea solution?
a)
The taste of the sugar.
b)
The size of the crystals.
c)
The color of the sugar.
d)
The texture of the sugar.
12.
The student created a mixture using equal parts salt and pepper. The salt grains were the same size of the pepper grains. What should the student do to most easily separate the pepper from the salt?
a)
Use a pair of tweezers to remove each pepper grain.
b)
Run a small magnet through a mixture to attract the pepper.
c)
Put the mixture in water and then pour the mixture through a filter to separate the pepper.
d)
Use a strainer made from fine wire to separate the pepper.
13.
A student combined powdered paint with water to make a liquid blue paint. The student left the paint mixture in an open container. Several days later, the student found the container and observed that changes had occurred. What most likely happened to the mixture?
a)
The container was empty and the mixture evaporated into the air.
b)
The paint evaporated, leaving only clear water in the container.
c)
The water evaporated, leaving only a blue solid in the container.
d)
The liquid mixture was lighter in color after some water evaporated.
14.
A student adds 10 grams of four different powder substances to four different beakers. The student then adds 100 mL of water to each beaker, stirs the mixtures, and then allows them to sit for a half hour before recording observations. Which question is the student most likely trying to answer with this investigation?
a)
At what water temperature do these substances dissolve?
b)
How much water is needed for each substance to change state?
c)
What causes a substance to sink when added to water?
d)
Which substances dissolve in water?
15.
A worker built a sidewalk and pressed some large particles of salt into it while it was still wet. When the concrete was dry, the worker washed the sidewalk with water. The picture shows the sidewalk after it was washed. What most likely happened to the salt?
a)
It evaporated into a gas.
b)
It turned into concrete.
c)
It dissolved into water.
d)
It turned into a solid.
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