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1 You want to plant a type of blueberry that will give you the most income. Which question would not help you decide?
Does it cost more to raise one type than another?
How much do containers for the blueberries cost?
Will customers like one kind more than another?
2 An ax is what kind of a machine?
a pulley
a screw
a wedge
wheel / axle
3 Which of the following statements is not true?
Screws are used in reading a book.
Pulleys are used to raise or lower the flag on the flagpole.
A lever can lift a rock.
Wheels and axles are used to turn and move things, as in a bicycle.
4 What is a good scientific description of a pencil?
A pencil is many small particles joined together.
A pencil is a large particle.
A pencil is just empty space.
A pencil is a physical change.
5 How could you describe the particles in a solid?
The particles are moving fast.
The particles are far apart.
The particles are close together.
The particles are always cold.
6 What happens when you freeze water?
It stays the same.
It forms a solid.
It forms a liquid.
It forms a gas.
7 Which is an example of a physical change?
breaking your pencil
a nail rusting
burning a log
8 Which of the following is a liquid?
rain
sand
snow
ice
9 After you pour a cup of milk from a full bottle, how would you compare the physical properties of the milk in the cup to the milk left in the bottle?
The volumes are different.
The color is different.
The smell is different.
All of these are different.
10 Geese fly south from Canada in the fall. This is an example of what?
protection
hibernation
migration
camouflage
11 How does a snowshoe rabbit's white fur help it survive?
It serves as camouflage.
It helps the rabbit run faster.
It makes it easy to find food in the snow.
It makes it easy for the rabbit to migrate.
12 How are bears able to hibernate during the winter?
They are able to store food as fat.
They are able to travel in snow.
They are protected by their white fur.
They are able to migrate south.
13 What is an example of a behavior that an animal knows from birth (an instinct)?
a dog catching a stick
a horse performing at a horse show
a bird feeding its young
a student doing homework
14 Which of the following is not a need for all animals?
migration
food
shelter
water
15 The sharp quills of a porcupine serve what basic need?
shelter
defense
migration
mimicry
16 Which of the following baby animals are fed by their parents?
turtles
snakes
frogs
birds
17 To blend into one's surroundings is an example of:
habitat.
hibernation.
migration.
camouflage.
18 A squirrel that eats only nuts is:
an omnivore.
a carnivore.
a herbivore.
a predator.
19 A zebra is caught and eaten by a lion. What is the lion called?
the predator
the prey
the producer
the herbivore
20 Which animal below is a carnivore?
a hawk
a rabbit
a squirrel
a mouse
21 What are organisms that make their own food called?
consumers
producers
omnivores
predators
22 We see grasshoppers eating plants and frogs eating grasshoppers. We see fish eating crabs and a person eating a fish. What do we call this?
a feeding cycle
a food chain
an eating chain
a meal cycle
23 What organisms get their food mostly from dead material?
producers
consumers
herbivores
decomposers
24 What is the natural habitat of gray squirrels?
ponds
rocks
trees
grass
25 Where would cattle likely find the most food to eat?
on a grassland
in a desert
in a rain forest
in a swamp
26 Camels have adapted to live in the desert. What does this adaptation allow them to go several days without?
sleep
shelter
air
water
27 What are the different kinds of organisms all living in the same place called?
a habitat
a population
a village
a community
28 An example of an animal population is:
all the animals in a barnyard
the rabbits living in a meadow
all the alligators in the world
a squirrel family in its nest
29 Why do fish and frogs lay so many eggs?
Many fish and tadpoles swim away.
Many eggs and young are eaten by other animals.
Fish and frogs grow too slowly.
There are too many fish and frogs.
30 What is not likely to happen if a wetland is drained to build a shopping center?
The food chain will be disrupted.
The food chain will continue as usual.
The biological community will change.
The wetland population will decrease.
31 Which of the following is not a normal part of soil?
rock
glass
sand
silt
32 Plants grow better in which type of soil?
subsoil
topsoil
clay
bedrock
33 What is formed when freezing water cracks rocks apart?
silt or sand
fossils
gems or metals
topsoil
34 What is topsoil made of?
weathered rock and humus
metals and plants
gems and ores
weathered rocks and ores
35 What determines how much of the moon you see each clear night?
where the earth is in its orbit around the sun
where the moon is in its orbit around the earth
the amount of light the moon gives off
the amount of light the sun gives off
36 What is caused by the earth being tilted?
different seasons
day and night
the changes in the moon
the same temperature every month
37 Why does the moon shine?
The moon has many volcanic craters.
The moon is covered with a thin layer of ice.
The moon rotates at a very high speed and becomes white hot.
The moon reflects the light from the sun.
38 What causes the tides to rise and fall?
the sun's and moon's gravity
the moon's gravity and the wind
the wind
the sun's gravity
39 What is the movement of water between the ground and air by evaporation, condensation, and precipitation called?
adaptation
the water cycle
conservation
the rain circle
40 Without the sun's energy, which statement is true?
We would have spring all the time.
The movement of water between the ground and air would not happen.
The deserts would have more water.
It would rain all the time.
41 What must happen to water before it rains?
It must condense.
It must turn to snow.
It must turn to fog.
It must turn to dew.
42 What do you call not wasting water?
conservation of water
evaporation of water
using the water cycle
preventing precipitation
43 What is not necessary for precipitation?
cold weather
evaporation
condensation
the sun's energy
44 People get fresh water from many sources. In Virginia, how do most people get their water?
from wells
directly from the rain
from rivers and streams
from the ocean
45 When we have a drought, the pastures dry up on farms. What is one way this will affect the cows?
It will cost less to feed them.
The cows will give more milk.
The cows will sleep more.
There will be less grass for the cows to eat.
46 What is one advantage of solar energy?
It is available at all times.
It is efficient in any climate.
It is not renewable.
It does not pollute.
47 When you use old plastic bottles to make new products, what do you call this?
trash collection
recycling
recreation
fiberglass
48 Which of the following is not an endangered animal?
dogs
right whales
sea turtles
jaguars
49 Which one of the following is not a reason why animals need plants?
Plants make the environment more beautiful.
Plants give animals oxygen.
Many animals eat plants.
Plants give animals shelter and homes.
50 When there is a large oil spill in a river or in the ocean there are many harmful effects. Which is not a harmful effect?
Oil kills many living things immediately.
Beaches and shores are covered with dirty oil.
The oil provides food for many fish.
A big fire can start.
51 When acid rain from air pollution kills trees in a forest:
Things grow back quickly.
The habitat stays the same.
The animals lose food and shelter.
Nothing unusual happens.
52 The sun actually produces what type of energy?
chemical
wind
rain
heat and light
53 A sailboat uses what kind of energy to move it?
wind
sunlight
coal
rain
54 Which of the following is a fossil fuel?
coal
wood
solar heat
water
55 Moving water can be used to produce what useful energy?
nuclear energy
electrical energy
solar energy
potential energy
56 Which of the following products are manufactured primarily from petroleum?
plastic, computer chips
frying pans, gasoline
gasoline, plastic
paper, cotton clothing