Show:
"WE
NEVER
LEARNED
THIS"
:(
100

Many owls live in a forest. Each year, more of the trees in the forest are cut down. Describe one way this change in the environment might affect these owls.

Less habitats, less life in the forest
100

Think about where rain comes from and explain why the Earth never runs out of rain.

The water cycle is a continuous process that recycles the same water. 
100

Which organisms would BEST be described as predators?


A. plants and caterpillars 

B. caterpillars and frogs

C. frogs and snakes

D. snakes and plants

100
An electrical circuit has a gap in the wire. What would BEST be able to complete the circuit?

A. a metal paper clip

B. a plastic bottle

C. a rubber band

D. a wooden stick

100

When a flashlight is turned on, electrical energy is changed to which type of energy?

Light energy 
200
What will happen when the south pole and north pole of two magnets approach each other?
They will attract. 
200
What tool is used to measure the volume of a liquid?

A. balance

B. ruler

C. thermometer

D. graduated cylinder

200

Which tool should a student use to compare the masses of two small rocks?

A. balance

B. hand lens

C. ruler

D. measuring cup

200

A simple machine that helps move a flag up a flagpole is

A. a bar magnet

B. an inclined plane

C. a pulley

D. a lever

200

Runoff is best described as water that

A. condenses into a cloud

B. flows on the ground

C. evaporates into a gas

D. moves downward into the ground

300
What nonliving thing do trees in a forest ecosystem need in order to make food?
a) earthworms

b) consumers

c) oxygen

d) water 

300
Spanish moss is a plant that grows from branches of trees. It can block sunlight from a tree's leaves. How does the moss prevent the tree from meeting its needs?
a) it keeps the tree from taking in water

b) it prevents the tree from moving to a new place

c) it keeps the tree from supporting itself

d) it prevents the plant from making enough food

300
Suppose a builder drains the water from a wetland so that he can build houses on the land. What will MOST LIKELY happen to a plant growing there that needs the wet conditions in the wetland?
a) it will die

b) it will hibernate

c) it will grow new adaptations

d) it will move to another wetland 

300
A fire kills many trees in a forest. Which of these will MOST LIKELY happen without the trees?
a) rain will wash away the soil

b) birds will have more shelter

c) deer will find more food

d) ashes will clean the air

300
Some people dumped old tires, plastic bags, and plastic bottles into a river. What will be the MOST LIKELY effect of this litter on animals in the river?
a) the animals will have more food

b) the animals will move to a different river

c) many animals will die or become sick

d) many animals will learn to eat the litter

400
Plants need food for all of the following things EXCEPT:
a) growth

b) energy

c) movement

d) reproduction 

400
Insects sometimes shed their hard coverings in a process called molting. Some insects molt one or two times, and some molt many times. Why is molting necessary for insects?
a) so they can eat

b) so they can grow

c) so they can move

d) so they can breathe

400
People use land for many things. Which of the following land uses helps people move products to new places?
a) farming

b) building roads

c) camping

d) building homes 

400
A student goes to the park to observe animals. He records his observations. Which of the student's observations describes a living thing interacting with a nonliving thing?
a) a grey squirrel eats berries from a bush

b) a field mouse hides in the tall grass

c) a songbird sips water from a puddle

d) a dog comes when its owner calls

400
Which of the following describes a pest?
a) a hawk eating mice

b) a worm eating apples

c) a goose eating weeds

d) a ladybug eating aphids 

500
Which of the following animal features has a function, or job, MOST SIMILAR to the job of tree bark?
a) the wings of an insect

b) the stomach of a deer

c) the scales of a fish

d) the tail of a beaver 

500
What adaptation would help an animal survive in the desert?
a) blending in with trees

b) hunting for food at night

c) swimming in fresh water

d) growing a thick layer of fat 

500
A t-shirt is made of cotton. Which statement BEST describes how people rely on agriculture for shirts made of cotton?
a) People make T-shirts on farms.

b) People war t-shirts to work on farms. 

c) People prefer cotton clothing to wool clothing.

d) People use fibers from plants to make cotton cloth. 

500
Suppose a child's mother has unattached earlobes that are pierced. The child's father has unattached earlobes that are not pierced. What kind of earlobes did the child MOST LIKELY have when he or she was born? 
a) unattached, not pierced

b) unattached, pierced

c) attached, not pierced

d) attached, pierced 

500
Tadpoles live in the water, and adult frogs live on land. What process must tadpoles go through to become adult frogs?
a) loss of fur

b) shedding of skin

c) growth of lungs

d) hardening of skeleton