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Worksheets7th Grade Summer School Science Pre-Test
Total questions: 20
Worksheet time: 27mins
What is the final amount of mass shown on this triple beam balance?
373 grams
370 grams
373.3 grams
303.3 grams
What is the volume of this box?
17 cm3
24 cm3
168 cm3
647 cm3
The starting volume of water on the left is 32 cm3. The fish is placed in the cylinder and the final volume is 38 cm3. What is the volume of the fish?
38 cm3
32 cm3
10 cm3
6 cm3
Jason has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
12 mL
2 g
7 g/cm3
28 g/cm3
Will an object with a density of 1.5 g/cm3 sink or float?
Float
Sink
Both
Neither
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. Which variables are independent and dependent?
Independent- Plant Growth
Dependent- Different Liquids
Independent- Different Liquids
Dependent- Plant Growth
Independent- Leaves
Dependent- Coffee
Independent- Water
Dependent- Milk
The graph below shows the motion of a student riding a bike. When did the speed of the bike increase the most?
Between seconds 9-10
Between seconds 6-7
Between seconds 3-4
Between seconds 1-2
Which runner won the race? Which runner stopped to rest?
Charlie won, Albert rested
Albert won, Charlie rested
Bob won, Charlie rested
Albert won, Bob rested
The illustration represents balloon A which has an electrical charge.
Balloon A would be most attracted to which balloon?
Which element from this portion of the table chemically reacts in a way similar to the way the element chlorine (Ne) reacts?
Si
Xe
O
I
The diagram represents a two atoms in a molecules of oxygen that combine chemically with one atom of carbon to form a carbon dioxide molecule
Carbon dioxide is an example of
a mixture
a compound
an element
a solution
You have a mixture of tiny iron filings, sand, and water. How would you separate just the iron from the mixture?
Use your hands
Use a magnet
Use a filter
Use evaporation
In a mixture of iron filings, sand and water you separated the iron filings with a magnet. How could you separate the rest of the mixture? Check all that apply
Use a magnet
Use a filter
Use your hands
Use boiling
The diagrams represent 3 phases of matter, labeled A, B, and C.
Which table correctly identifies the phases of matter represented by the diagrams?
How do molecules in a solid move compared to molecules in a gas?
Faster and move closer together
Faster and spread farther apart
Slower and move closer together
Slower and move farther apart
Which set correctly matches phase change with kinetic motion?
Increase in kinetic energy: Freezing
Decrease in kinetic energy: Melting
Increase in kinetic energy: Evaporation
Decrease in kinetic energy: Sublimation
. The Law of Conservation of Energy states that energy cannot be created or destroyed, but energy can change
From one form to another
its mass
its volume
From one state of matter to another
The diagram represents energy transformations in a moving electric toy car.
Which source of energy is the original source of power for this car?
Electrical
Mechanical
Sound
Radiant
Heat transferred through direct contact is
Radiation
Conduction
Convection
Absorption
The diagram represents a beaker of water being heated by a flame. The arrows represent heat transfer occurring in the beaker.
Which process is represented by the arrows in the diagram?
Condensation
Conduction
Convection
Radiation
