WorksheetsScience staar review nere steps up mr.ulloa
Total questions: 20
Worksheet time: 28mins
Name
Class
Date
1.
life on Earth depends on the H2O cycle.Which statement describes the role of the suns energy in the H2O cycle?
a)
The sun's energy heats and evaporates the water on the surface of Earth
b)
The sun's energy causes water in streams and rivers to flow into the oceans
c)
The sun's energy causes water vapor in the air to condense into clouds.
d)
The sun's energy moves Earth,Causing water to move in the water cycle
2.
A cup of water and several different ingredients are provided for a science experiment.The procedure asks students to identify the ingredient that will keep its own physical properties when mixed with water. Which ingredient will keep its own physical properties when mixed with water?
a)
sugar
b)
sand
c)
kool-aid powder
d)
salt
3.
the movement of energy through a conductor?
a)
convection
b)
insulator
c)
closed circuit
d)
current
4.
What form of matter has partiacles that are spread out far apart and move very rapidly?
a)
solid
b)
liquid
c)
gas
d)
oil
5.
The young praying mantis looks like a smaller version of an adult praying mantis because-
a)
The old praying mantises groom the babies from the time they are born to look like the adults
b)
Praying mantises undergo a process called complete metamorphosis
c)
The adult praying mantises eat the babies that do not look like their parents.
d)
praying mantises undergo a process called incomplete metamorphosis.
6.
Which shadow picture is most likely at 12:00 pm?
a)
Picture "P"
b)
Picture "Q"
7.
Sebastian constructs the circuit shown... When the switch is closed the circuit-
a)
produces light
b)
produces motion
c)
produces sound
d)
does nothing at all
8.
What do you call objects that allow energy to flow through them easily?
a)
insulators
b)
communicators
c)
conductors
d)
conduit
9.
Janeka examines a substance that expands to fill available space and takes the shape of a container. Janeka correctly identifies this matter as
a)
solid
b)
plasma
c)
Liquid
d)
gas
10.
What type of energy is created by moving electrons?
a)
mechanical
b)
electrical
c)
thermal
d)
sound
11.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
12.
Which will most likely cause a decrease in predator populations?
a)
an increase in prey populations
b)
a decrease in prey populations
c)
a decrease in decomposers
d)
an increase in producers
13.
What is Revolution?
a)
the motion of one object around another.
b)
A cycle of space..
c)
The earth orbiting the sun.
d)
Some type of space thing. :)
14.
Which of the following lists correctly displays conductors of energy?
a)
Water, Cotton, iron nail
b)
Eraser, metal spoon, glass rod
c)
Paper clip, aluminum foil, tap water
d)
Plastic straw, safety pin, toothpick
15.
What type of energy travels in straight lines and is the reason that we can see objects?
a)
thermal
b)
light
c)
mechanical
d)
electric
16.
A special type of mixture that is evenly mixed and one substance dissolves in another.
a)
mixture
b)
solute
c)
solution
d)
solvent
17.
What happens when an object is more dense than water?
a)
Sink
b)
Float
c)
Bouyancy
d)
Levitates
18.
True or False: The Earth is rotating while revolving around the sun while the moon is revolving around the earth
a)
True
b)
False
19.
Plants are known as producers because they produce their own food. How do producers receive the energy for this process?
a)
By consuming soil nutrients
b)
By absorbing sunlight
c)
By releasing water
d)
By producing oxygen
20.
Students conduct and investigation to determine which substances are soluble in water. All of the following have the property of solubility in water EXCEPT -
a)
sugar cubes
b)
salt crystals
c)
cooking oil
d)
food coloring
100 %
