Worksheets4th 9 Weeks Test (Science)
Total questions: 40
Worksheet time: 54mins
Which of the following explains why we have night and day?
the phase of the moon
the rotation of Earth on its axis
the revolution of Earth around the sun
the alignment of planets
Substances can change in different ways. Sometimes they produce new substances. This is called a chemical change. Which is an example of a chemical change?
an ice cube melting
a pencil snapping in two
an eraser getting smaller
a cake baking in an oven
Christina knows that wind and water are two sources of energy. Which of the following statements can Christina say is true about both wind and water?
They are limited in supply on Earth.
They can be used to generate electricity.
They can replace all other energy sources.
They can be used to produce solar energy.
Dan fills a bowl with hot water. He places four different objects in the bowl. Then he smears a bit of butter on each object, just above the water's surface. The picture below shows Dan's experiment.
On which object will Dan first see butter melting?
plastic ruler
wood spoon
metal spoon
rubber spatula
The smallest part of an element, that still have the properties of that element is
atom
nucleus
a molecule
a compound
The Sagebrush will decrease.
The number of Frilled Lizards will decrease.
The Sun will receive more energy.
The number of Frilled Lizards will increase.
Giant Salvinia is a water plant that grows in South
America. The United States brought the water
plant over for use in ponds and aquariums. A
disadvantage of this plant is that it grows quickly
in Texas and can completely cover ponds and
lakes. What effect does this most likely have on
an ecosystem?
The Salvinia blocks sunlight that other native
plants need.
The water supply increases in the area.
Other plant growth in the area increases.
The amount of rainfall in the area changes.
wheat only
hawk, wheat,
and grasshopper
snake only
hawk and snake
Two words that correctly identify properties of these planets
Uranus -Neptune- Saturn- Jupiter
rocky
gaseous
large
small
Which statement identifies the most likely outcome if the rabbit population suddenly reduced?
Owls would become extinct because they have no food
Hawks would have less food available so their population would decrease
Grasshoppers would have less food available so their population would decrease
Grasses in the area would die and all of the animals would have to move to another area to survive
A student is going to push a ball off a table
Which statement best predicts how the energy of the ball will change immediately after the push?
Both potential energy and kinetic energy will increase
both potential energy and kinetic energy will decrease
Potential energy will decrease, and kinetic energy will increase
Potential energy will increase, and kinetic energy will decrease
Which is the correct order of the food chain of the channel catfish?
A,B,C,D
B,C,D,A
C,D,A,B
D,B,A,C
The diagram shows four blocks of the same size in a water tank. Block Y has the same density as the water.
Four additional block are being added to the water as detailed (Block J= 1kg) - (Block K =3 kg)- (Block L=5 kg)-(Block M=7kg)
Pick two answers choices - the two blocks that will float and two blocks that will sink.
BLOCK J & K WILL FLOAT
BLOCK J & K WILL SINK
BLOCK L & M WILL SINK
BLOCK L & M WILL FLOAT
Which process would be the best way to increase the concentration in a solution of sugar and water?
Decrease the amount of sugar, and increase the amount of water
Increase the amount of sugar, and keep the amount of water constant
Decrease the amount of sugar, and decrease the amount of water
Increase the amount of water, and keep the amount of sugar content
Jamie sketched the following picture of the landscape he saw while he was on vacation. It included cacti and barren rock.
What can you conclude about what kinds of plants can grow in this climate?
Only plants that grow very rapidly can grow in this climate.
Only plants that need frequent, heavy rainfalls can grow in this climate.
Only plants that can survive with very little water can grow in this climate.
Only plants that can handle extreme cold can grow in this climate.
