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Science CBA 1 Review

Total questions: 67

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

Name:

4 lines
2.

When is the CBA?

a)

Tuesday

b)

Wednesday

c)

Thursday

d)

Friday

3.
Which feature of a rose helps it grow without being eaten by large animals?
a)
flowers with bright colors
b)
sharp thorns
c)
small seeds
d)
deep roots
4.
Which feature helps an animal hide from other animals?
a)
looking like a dangerous animal
b)
being the same color as the place it lives (camoflauge)
c)
having sharp claws or a strong shel
d)
having only a few young and caring for them
5.
A giraffe has a long neck in order to better reach leaves to eat.  This is an example of _____. 
a)
an adaptation
b)
environment
c)
response
d)
stimulus
6.
Which adaptation (for the underlined animal) serves the function of defense?
a)
A walking stick looks like the twig on which it rests.
b)
A porcupine’s quills cause a predator to seek another meal.
c)
A whale filters plankton and krill from the water in which it swims.
d)
A penguin is dark on top and white below to blend in with the water.
7.
Which of the following is a physical adaptation for the underlined animal?
a)
A butterfly has bright colors to warn predators that it is poisonous.
b)
A hognose snake rolls over, slows its breathing, and hangs its tongue out to play dead.
c)
A herd of buffalo encircle their young to protect them from a pack of wolves.
d)
A dung beetle rolls a piece of dung across the desert.
8.
How do adaptations help animals?
a)
To escape animals
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
9.
Plants with spines and waxy leaves are well suited for life in which environment?
a)
Desert
b)
Temperate forest
c)
Grassland
d)
Tropical Rainfroest
10.
All of the following are examples of Inherited Traits EXCEPT - 
a)
Eye Color
b)
Skin Color
c)
Foot Size
d)
Speaking Spanish
11.
Some birds have large, sharp claws and beaks. These birds most likely eat - 
a)
tall grasses
b)
pond microorganisms
c)
small animals
d)
tiny insects
12.
Which foot is best adapted for an animal that must dig tunnels underground to escape predators?
a)
light, with webbing between toes
b)
powerful, with long, wide, strong nails
c)
one large toe with a flat bottom
d)
very wide with thick pads
13.
Which is NOT an example of a plant adaptation?
a)
a cactus has thick cover to hold water in
b)
a tree loses its leaves in the winter
c)
a plant has green leaves
d)
a lily grows bright red flower to attract pollinators
14.
Which of these adaptations most help the hawk keep other hawks out of its territory by warning them from far away? 
a)
brown head
b)
loud call
c)
hollow bones
d)
sharp claws
15.

What is a Learned Behavior?

a)

Something you get at birth

b)

Having blue hair

c)

Something you learn later on in your life

d)

Learning to have blue eyes

16.

What is an Inherited Trait?

a)

Learning to ride a bike

b)

Braiding Hair

c)

Having long hair

d)

Something you get from a parent

17.

Samantha has blue hair is that a learned behavior, Inherited trait, or an Instinct?

a)

acquired

b)

Inherited trait

c)

learned behavior

18.
Which of these are characteristics of inherited traits?
a)
the ability to speak in front of a crowd
b)
having green eyes and brown hair
c)
mastering multiplication facts
d)
becoming an extrovert
19.
Which of the following is most likely inherited by flowering plants?
a)
lean on a pole
b)
the ability to produce cones
c)
the ability to produce seeds
d)
forming different shapes when trimmed
20.
What is an ecosystem?
a)
A group of animals that are the same species.
b)
Soil, water, air and sunlight
c)
All the living and non living things that interact in an area.
d)
North America
21.
Which is a non-living part of an ecosystem?
a)
Sunlight
b)
Air
c)
Water
d)
All of these
22.
An animal that hunts other animals for food is called a ___________________.
a)
Villian
b)
Predator
c)
Prey
d)
Fred
23.
An animal that is hunted by other animals for food is called _____________________ .
a)
Victim
b)
Sally
c)
Predator
d)
Prey
24.

Fossil trees were discovered in a sedimentary rock layer. In the rock layer below are fossils of clams, similar to clams that are currently found on the shores of the Gulf of Mexico. Based on this evidence, we could conclude that the area where the fossils were discovered had what sequence of climates in the past?

a)

Beach, followed by a forest

b)

Rocky and dry, then very moist

c)

Forest, and later a mountain

d)

Very cold area, then much warmer

25.

Geologists discovered a layer of rock formed millions of years in the past. Which of the following would provide the best evidence of what the environment was like when the rock formed?

a)

The time when the rock appears to have formed

b)

The sediments from which the rock is made

c)

The fossil plants and animals found in the rock

d)

The kinds of rocks above and below the rock layer

26.

Fossils are best used as evidence about which of these?

a)

The processes that change rocks over time

b)

How best to conserve natural resources

c)

The plants and animals that lived long ago

d)

What forces drive the water cycle on Earth

27.

Fossil ferns, like the ferns found in modern swamps, were discovered in a layer of rock. In a rock layer below were found the fossils of cactus, like those that live in hot, arid deserts today. Based on this evidence, we could conclude that the area where the fossils were discovered had what sequence of climates in the past?

a)

Forest, followed by deep ocean

b)

Cold climate that got warmer over time

c)

Rushing river, then a dark cave

d)

Very dry and then, much more damp

28.

Herbivores are animals that eat plants. Finding many fossils of large herbivores in rocks that are millions of years old would lead to what conclusion about the ancient environment of an area? A reasonable conclusion is that the area was once a -

a)

rocky seashore

b)

thriving grassland

c)

frozen lake

d)

muddy swamp

29.

Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?

a)

Preventing deer from depleting food resources.

b)

Restoring a natural habitat.

c)

Wildlife rangers minimizing disturbances.

d)

A lumber company clearing a forest.

30.

A highway is built through a forest. This will most likely have which of the following effects on the organisms in the area?

a)

Increase the number of bird species in the forest

b)

Raise the birth rate of the animals on the forest floor

c)

Eliminate all species of plants found in the forest

d)

Make it difficult for animals to move through the forest

31.

Alligators are the large predators that eat many of the smaller animals in a swamp. How might removing the alligators from a swamp habitat create a decrease in vegetation?

a)

Meat-eating animals would begin eating plants.

b)

The plants in the swamp would get more sunlight.

c)

More plant-eating animals would survive.

d)

Plants would not be able to spread their seeds.

32.

If humans over-hunted a population of insect-eating birds, what immediate change would likely be seen in the area?

a)

Increased seedling germination

b)

Increased populations of insects

c)

Migration of small mammals

d)

Severe loss of vegetation

33.

If humans cleared a forest and built homes where the forest once was, we would expect which of the following?

a)

More development of soil

b)

Fewer tree-dwelling animals

c)

More frequent thunderstorms

d)

Increased insect population

34.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
35.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
36.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
37.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
38.
In this food chain, what will happen if the frogs become extinct?
a)
The snakes will increase.
b)
The grasshoppers will decrease.
c)
The eagles will remain the same.
d)
The grasshoppers will increase.
39.

The food of almost any type of organism can be traced to _________________.

a)

the sun

b)

the ocean

c)

bacteria

d)

plants

40.

Two beakers of water were placed on a table with thermometers and left to stand for an hour. Based on the results shown, it can be concluded that the two samples of water are different in terms of their

a)

physical state

b)

mass

c)

volume

d)

temperature

41.

The properties of several items are recorded in the table. Which object has the greatest mass?

a)

marble

b)

washer

c)

penny

d)

thumbtack

42.

Which tool would be needed to measure the mass of an object?

a)
b)
c)
d)
43.

Students placed five spheres into a tank of water. Which of the following is an accurate description of the results?

a)

As many spheres floated as sank.

b)

More spheres floated than sank.

c)

None of the spheres sank.

d)

More spheres sank than floated.

44.

Students found that a certain object was attracted to a magnet. This result means the students now know what about the object?

a)

The length and width of the object.

b)

That the object could be made of iron.

c)

Whether or not the object will float.

d)

The mass of the object.

45.

Which of these tables correctly identifies the solubility of each substance in water?

a)
b)
c)
d)
46.

A student poured three liquids into a glass. Then the student added three objects to the glass. Which liquid is most likely vegetable oil?

a)

Liquid L, because vegetable oil is less dense than water and more dense than a sponge

b)

Liquid M, because vegetable oil is less dense than water and more dense than a coin

c)

Liquid M, because vegetable oil is more dense than water and less dense than a coin

d)

Liquid L, because vegetable oil is more dense than water and less dense than a sponge.

47.

Students observed the physical properties of six common objects.

Which of these properties cannot be used to classify these six objects into more than one group?

a)

Physical State

b)

Electrical Conductivity

c)

Magnetism

d)

Solubility in Water

48.

A force that attracts (pulls toward) materials that contain certain metals

a)

Magnetism

b)

Temperature

c)

Soluble

d)

Matter

49.

A process that happens when heat is added to matter until it changes from a liquid into a gas

a)

Evaporation

b)

Condensation

c)

Melting

d)

Freezing

50.
When you separate a mixture with water and one ingredient sinks and one ingredient floats the property you use is -
a)
evaporation
b)
density
c)
filtration
d)
magnetism
51.
Which of the following, if added to water, will change shape?
a)
salt
b)
sand
c)
wood
d)
glass
52.
A science class performed an investigation by evaporating a solution containing 10g of salt and 50ml of water.  How much salt would you expect to find in the cup at the end of the investigation?
a)
60g
b)
50g
c)
10g
d)
5g
53.
Which example below describes a simple mixture where the ingredients maintain their physical properties?
a)
bucket of saltwater and sand
b)
peanuts, raisins, and chocolate pieces
c)
sugar and water
d)
all of the above
54.
Which list below shows objects in a mixture that could best be separated using the physical property of relative density?
a)
iron filings and sugar
b)
large plastic beads and small plastic beads
c)
quarters and pennies
d)
plastic buttons and metal buttons
55.
Which property of tea changes when it is mixed with sugar?
a)
color
b)
taste
c)
shape
d)
state
56.
A glass beaker contains 100ml of water.  5g of salt is stirred into the beaker of water.  Which item should be used to separate this solution?
a)
triple beam balance
b)
paper filter
c)
hot plate
d)
spring scale
57.
What tool can you use to separate cooked macaroni and boiling water?
a)
filter
b)
magnet
c)
colander
d)
craft stick
58.
What tool can you use to separate a mixture of sand and water?
a)
hands
b)
filter
c)
tweezers
d)
craft stick
59.
Which object requires only mechanical energy to perform its main function?
a)
A
b)
B
c)
C
d)
D
60.
The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes?
a)
Light and sound
b)
Electrical and thermal
c)
Thermal and mechanical
d)
Mechanical and electrical
61.
A student made a list of activities that involve energy. Which activities on the list are examples of the use of mechanical energy?
a)
Activities 1, 4, and 6
b)
Activities 2, 4, and 5
c)
Activities 1 and 2
d)
Activities 3, 5, and 6
62.
A class is learning about states of matter. The teacher shows the students how to set up the investigation shown in the diagram.
a)
Thermal and mechanical
b)
Mechanical, light, and electrical
c)
Electrical and thermal
d)
Light, mechanical, and thermal
63.
Water flows through turbines in dams like the one shown below. The flowing water makes the turbines spin. What type of energy is used to make the turbines spin in this type of dam?
a)
Light energy
b)
Thermal energy
c)
Sound energy
d)
Mechanical energy
64.
Three different objects that use the same source of energy are shown. What is the energy source for these objects?
a)
Light energy
b)
Mechanical energy
c)
Sound energy
d)
Electrical energy
65.

What type of energy causes ice cream to melt?

a)

thermal/heat

b)

light

c)

sound

d)

electrical

66.
Photosynthesis and solar panels use this form of energy.
a)
Mechanic
b)
Light
c)
Thermal
d)
Sound
67.

What type of energy allows you to see the images and texts on your cell phone screen?

a)

Sound

b)

Thermal

c)

Magnetism

d)

Light

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