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1st Semester Science Review

Total questions: 46

Worksheet time: 26mins

Name
Class
Date
1.

This is when you use your senses to gather information.

a)

observation

b)

variable

c)

hypothesis

d)

data

2.

A written explanation of what you think will happen, an idea that is tested in an experiment, and may be proven to be true.

a)

observation

b)

variable

c)

hypothesis

d)

data

3.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
4.
The hypothesis you make is always correct.
a)
True
b)
False
5.
This state of matter does not have a definite size or shape.
a)
Gas
b)
Liquid
c)
Solid
d)
Milk
6.
Which state of matter has particles that are tightly packed?
a)
liquid
b)
gas
c)
solid
7.
The amount of matter something contains. 
a)
volume
b)
mass
c)
density
d)
measurement 
8.

The general steps used when conducting an experiment.

a)

observation

b)

variable

c)

hypothesis

d)

scientific method

9.

If you saw a glass of water and later the water was gone what happened to the water?

a)

The teacher was very thirsty and drank the water.

b)
evaporation
c)
precipitation
d)
solubility
10.
Adding HEAT to matter causes its particles to:
a)
move faster and farther apart
b)
Move slower and farther apart
c)
Move faster and closer together
d)
Move slower and closer together
11.
I am the smallest whole particle of matter. 
a)
atom
b)
compound
c)
molecule
d)
mixture
12.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
13.

Which of the following is NOT a terrestrial planet?

a)

Venus

b)

Earth

c)

Mars

d)

Jupiter

14.

Select 2 characteristics of gas giants that terrestrial planets do not have

a)

rings

b)

few moons

c)

hard rocky surface

d)

made of hydrogen and helium gases

e)

smaller size

15.

Ms. Johns shows her class a correct model of the Solar System.

What can the model show that is just like the real Solar System?

a)

how heavy the Earth is

b)

how big the planets are

c)

how fast the Sun spins

d)

how many planets there are

16.
The Earth spinning on its axis is called _____________.
a)
Rotation
b)
Revolution
17.
Movement of Earth around the sun.
a)
Rotation
b)
Revolution
18.

The change that is tested in an experiment.

a)

hypothesis

b)

data

c)

variable

d)

observation

19.
From one full moon to the next full moon, it take _______ days. (this a lunar month)
a)
10
b)
15
c)
29.5
d)
99
20.
A push, pull, friction or gravity are all examples of..
a)
velocity
b)
Newton's First Law of Motion
c)
momentum
d)
force
21.
The distance an object can travel in a specific amount of time is its
a)
motion
b)
position
c)
speed
d)
inertia
22.
The change in the position of an object is
a)
direction
b)
momentum
c)
friction
d)
motion
23.
A measure of the force of gravity on an object
a)
mass
b)
weight
c)
volume
d)
positions
24.
A force that acts on an object to slow or stop its motion
a)
speed
b)
friction
c)
gravity
d)
unbalanced forces
25.
Organisms in an area and their non-living parts
a)
a food chain
b)
a habitat
c)
an ecosystem
d)
a food web
26.
The following picture is an example of...
a)
population
b)
community
c)
microorganism
d)
predator
27.

What is a community?

a)

ecosystem made mostly of land, but can have some water

b)

ecosystem made up mostly water, but can have some land

c)

different organisms that coexist in the same area

d)

members of the same type of organism that live in an environment

28.

A giraffe is an example of a

a)

herbivore

b)

carnivore

c)

omnivore

29.

Interconnected chains to show transfer of energy is called

a)

a food chain.

b)

a food web.

30.

What does the large tree directly give energy to in this food web? There is more than one right answer!

a)

lion

b)

mouse

c)

cricket

d)

rhinoceros

e)

giraffes

31.

What do the arrows mean on a food chain or food web?

a)

"just ate"

b)

"died"

c)

"moved to"

d)

"gives energy to"

32.

The gas exchange and food production take place in the ________.

a)

Roots

b)

Stem

c)

Leaves

d)

Flower

33.

The flower produces seeds and pollen so the plant can reproduce and continue the life cycle.

a)

True

b)

false

34.

Click on all the ways a seed can be dispersed.

a)

Wind can blow a seed.

b)

Roots gathering seeds.

c)

Stems carrying seeds.

d)

Animals eating seeds and depositing them elsewhere

e)

Seeds floating on water.

35.
which one of these does NOT help a plant survive?
a)
nutrients
b)
water
c)
rocks
d)
space
36.
Which organisms compete for the same food?
a)
Rabbits and mice
b)
Rabbits and foxes
c)
Mice and grasshoppers
d)
Grasshoppers and owls
37.
These are any kind of green plant. Green plants make their food by taking sunlight and using the energy to make sugar. 
a)
predator
b)
producer
c)
consumer
d)
carnivore
38.

When the pressure is low, then there will be ________.

a)

lots of sun

b)

high temperatures

c)

clouds and rain

d)

hot, dry weather

39.

What TWO weather conditions do you normally find along a front?

a)

sun

b)

rain

c)

storms

d)

rainbows

40.
Why is it important to know the different types of clouds?
a)
Clouds can indicate the time of day that it is.
b)
Clouds can indicate the type of weather that will occur.
c)
Clouds can indicate the temperature of different layers of the atmosphere.
41.

What type of cloud is associated with thunderstorms, lightning, heavy rain, hail and tornadoes?

a)

Cumulonimbus

b)

Cumulus

c)

Cirrus

d)

Stratus

42.

Which of the following does NOT affect the weather?

a)

The temperature of the air

b)

The speed of the wind

c)

The types of clouds in the sky

d)

The phase of the moon

43.
A front is
a)
where warm air is cooling at earth's surface
b)
a boundary where hot and cold air are separating
c)
a boundary where two different air masses meet
d)
where cold air is rising and forming rain clouds
44.

A squirrels niche would be _________________.

a)

hunting prey and providing meat for other squirrels.

b)

searching for fish to eat in the ocean.

c)

staying busy storing nuts and seeds for winter.

d)

help decompose other animals and plants.

45.

Habitats and Niches are made up of ______________________.

a)

An environment

b)

A population

c)

An animal

d)

A plant.

46.

A habitat is ___________________.

a)

the place or kind of place in which an animal or plant naturally lives.

b)

is how plants produce their own food.

c)

is an animal that only eats meat.

d)

the place where only one animal lives.

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