NEW
Font size
WorksheetsUnit 2 Review
Total questions: 51
Worksheet time: 4hrs 15mins
Jorge put the south side of one magnet near the south side of another magnet. What happened next? o
The magnets were attracted to each other.
The magnets pushed away from each other.
Alondra learned about magnets in school. Wanting to know more, Alondra wondered if any objects in her house would be magnetic. She found the following items:
A pencil, a gold coin, an iron nail, and a glass dish.
Which of the following items would be attracted to a magnet?
a pencil
a gold coin
an iron nail
a glass dish
Which of the following properties of matter can you NOT measure?
Volume
Taste
Weight
Size
Amy has a small sample of an unknown element that she is trying to identify. Amy divides the mass of the sample by its volume.
Which property of matter is Amy using to identify the element?
Weight
Density
Texture
Freezing point
Sand and salt are placed in the bottom of a beaker filled with water. The beaker is heated, and the water is stirred.
What will happen to the salt and sand?
The sand and salt will settle to the bottom.
The sand and salt will dissolve in the water
The salt will dissolve, and the sand will settle
The sand will evaporate, and the salt will dissolve.
A mixture of sand, salt, and iron fillings is stirred into a beaker of water. The mixture is then allowed to settle.
What will separate the iron fillings from the mixture?
Magnetism
Filtration
Flotation
Sifting
A student preforms an activity, filling two large bowls, A and B, with 550 mL of water each. She adds 100 g or salt to bowl A and allows the salt to dissolve completely. She places an egg in bowl B and observes that the egg sinks. The student then places the same type of egg in bowl A and observes that the egg floats.
Salt decreases the mass of water
Salt increases the density of water
Salt decreases the volume of water
Salt increases the temperature of water
A student drops a rock and a cork in a cup of water as shown.
The student observes that the cork floats while the rock sinks in water. What can be concluded from the observation?
The cork is more dense than the rock and water
The rock is more dense than the cork and water
The rock is more dense than the cork but less dense than the water
The cork is more dense than the water but less dense than the rock
Sammy poured oil and water into a glass and mixed the liquids. He let the liquids sit in the glass for 8 hours and the 2 liquids separated as shown in the picture.
What happened to the 2 liquids?
The oil is more dense than water, and it dissolved in the water
The oil is less dense than water, and it dissolved in the water
The oil is more dense than water and cannot dissolve in water
The oil is less dense than water and cannot dissolve in water
Colton and his brothers put some raisins, hazelnuts, almonds, and peanuts in a bowl to make a snack for their movie. What does this snack represent?
a solution
a new element
a new compound
a mixture
Which is NOT a method used for separating mixtures?
sifting
flotation
filtration
dissolving
Which is a solution
chocolate milk
sand and water
dinosaurs and cubes
salad
In a mixture, two or more things are mixed together and those parts _______________
can be easily separated
can not be easily separated
In a solution, two or more things are mixed together and those parts _______________
can be easily separated
can not be easily separated
Weight is the measure of ____________
How much stuff is in an object
How big an object is
How much gravity is pushing down on an object
Sammy poured oil and water into a glass and mixed the liquids. He let the liquids sit in the glass for 8 hours and the 2 liquids separated as shown in the picture.
What happened to the 2 liquids?
The oil is more dense than water, and it dissolved in the water
The oil is less dense than water, and it dissolved in the water
The oil is more dense than water and cannot dissolve in water
The oil is less dense than water and cannot dissolve in water
Which substance would be attracted to a magnet?
Silver
Gold
Iron
Lead
What happens when two north poles of a magnet are placed together?
They attract
They repel
They cancel each other out
The strength of the magnet is doubled
What happens when the north pole and south pole of a magnet are placed together?
They attract
They repel
They cancel each other out
The strength of the magnet is doubled
Magnets attract to all metals
True
False
Which of the following is a property of magnets?
Same poles attract
All magnets have one pole
All magnets are made of copper
All magnets are surrounded by a magnetic field
What materials found in Earth's core have magnetic properties?
Refrigerator magnets
gold and silver
water
iron and nickel
How is Earth's magnetic field similar to that of a magnet?
It is shaped like a sphere
It is hundreds of miles long
It has North and South poles
It is shaped like a horseshoe
