WorksheetsScience SBA Review
Total questions: 20
Worksheet time: 10mins
Which household appliance converts electrical energy to thermal energy?
calculator
gas clothes dryer
microwave
telephone
A student filled two graduated cylinders with water and then dissolved a sugar cube into each sample. What is one assumption students could make about how the samples will be different?
Students will assume sample 1 tastes sweeter than sample 2.
Students will assume sample 2 will lose volume and sample 1 will not lose volume.
Students will assume sample 2 is darker in color than sample 1.
Students will assume sample 1 is warmer than sample 2.
Solutions are a type of mixture and share many similarities with other mixtures. One way that solutions may differ from other mixtures is-
solutions are a mixture of only two substances, while mixtures can mix 3 or more substances.
solutions are easily separated, while mixtures are not easily separated.
solutions form new substances, while mixtures do not form new substances.
solutions may change their properties, while mixtures keep their physical properties.
Which form of energy will be demonstrated when the woman pushes the shopping cart?
Mechanical
Electrical
Light
Thermal
The Hudsons are putting several large black panels on one side of the roof of their house. Water will circulate from their swimming pool through the panels and back into the pool after being warmed in the panels. What source of energy is being used to heat the water?
thermal energy from the attic
light and thermal energy from the sun
thermal energy from the circulation pump
mechanical energy from the pool filters
Which of the four blocks shown has the least mass?
Block A
Block B
Block C
Block D
Which of the four blocks shown has the greatest mass?
Block A
Block B
Block C
Block D
Which statement is true about magnets?
All metals are magnetic.
Only certain metals are magnetic.
Stronger magnets can attract all metals.
The heavier the object, the more magnetic it is.
If you have a glass of ice water and leave it on the table over night and wake up the next day and the ice is gone. What form of energy caused the ice to melt?
Mechanical energy
Thermal energy
Light energy
Sound energy
Which type of energy causes the bell to ring?
Sound energy causes the bell to ring
Electric energy is used to ring the bell
Sense of touch is used to make the bell ring
Mechanical energy is used to tap the bell and produce sound
Which of the following food items is a solution
Salad
Cereal
Assorted nuts
Kool-aid
Which substance best completes the table?
brick
steam
rainwater
clouds
What is the mass of the object on the balance?
110
1,010
111
11
Which of the following is the best example of a student using electrical energy?
Using scissors
Writing a letter
Knocking on the door
Turning on the light
Which form of energy makes the room brighter when a lamp is switched on?
Sound energy
Electrical energy
Chemical energy
Light energy
What example of matter would complete the chart?
Plastic Car
Wooden Pencil
Spoon
Steel Block
All of the items are mixtures. Which of the following is true of each mixture?
Each mixture is also a solution.
Each mixture has a part that dissolves.
Each mixture can be separated physically.
Each mixture has the same physical properties.
Which form of energy is produced when a drum is hit?
Sound energy
Electrical energy
Chemical energy
Light energy
What is the temperature on the thermometer?
50 degrees
45 degrees
47 degrees
43 degrees
Which of the items measures about 2 inches?
Car
Apple
Bat
Crab
