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WorksheetsScience
Total questions: 70
Worksheet time: 37mins
Name
Class
Date
1.
What is Newton's first law of motion?
a)
Every action has an equal opposite reaction
b)
An object in motion stays in motion unless acted upon by an unbalanced force
c)
The force acting on an object is equal to the mass of an object times its acceleration
d)
Sandwich
2.
What is the atomic number of oxygen?
a)
5
b)
Sandwich
c)
8
d)
17
3.
What is the molecular structure of table salt?
a)
Sandwich
b)
Molecular who?
c)
H2O
d)
NaCl
4.
Biology is the study of what?
a)
Life
b)
Sandwich
c)
The human brain
d)
Weather
5.
Energy=____to the speed of light squared
a)
Gravity
b)
Mass
c)
Sandwich
d)
Lightning
6.
What female Nobel Prize winner conducted research on radioactivity?
a)
Sandwich
b)
Tierra Guinn
c)
Marie Curie
d)
Isaac Newton
7.
Who was Dimitri Ivanovich Mendeleev?
a)
Periodic table inventor
b)
Sandwich
c)
A singer
d)
An Astronomer
8.
What is the formula for force?
a)
Net force ÷ Mass
b)
Sandwich
c)
Mass × Acceleration
d)
Mass × Velocity
9.
What was the first animal sent into space?
a)
Alfred the monkey
b)
Laika the dog
c)
Ursula the fish
d)
Sandwich
10.
A low voice has...
a)
Short wavelengths
b)
No wavelengths
c)
Sandwich
d)
Long wavelengths
11.
How long does it take for light to get from the Sun to the Earth?
a)
150 million years
b)
10 seconds
c)
8 minutes
d)
Sandwich
12.
What is the melting point of gallium?
a)
Sandwich
b)
85.5 Degrees F
c)
577.3 Degrees F
d)
100 Degrees C
13.
What is an Herbivore?
a)
Meat eater
b)
Sandwich
c)
Plant & Meat eater
d)
Plant eater
14.
A black hole is formed when...
a)
After a supernova occurs
b)
When a white dwarf turns into a black dwarf
c)
When a black dwarf turns into a black dwarf
d)
Sandwich
15.
What happens when you put something in between two pieces of bread?
a)
Isaac Newton
b)
A supernova
c)
The periotic table
d)
Sandwich
16.
What is matter?
a)
physical changes
b)
anything that takes up space
c)
chemical properties
d)
physical properties
17.
Is "a glass of milk becoming sour" physical or chemical?
a)
Chemical change
b)
Physical change
18.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
19.
What characteristic defines all chemical changes?
a)
There is a change of state.
b)
Electricity is produced.
c)
A new material is formed.
d)
Bubbles are produced.
20.
Is "cutting wood" a chemical or physical change?
a)
Chemical change
b)
Physical change
21.
Is corroding metal a chemical or physical change?
a)
physical
b)
chemical
22.
in chemical reaction,___ rearrange to form new substances.
a)
atoms
b)
product
c)
reactants
d)
bonds
23.
Chemical changes occur when existing _______ break and new bonds form
a)
Reactants
b)
Bonds
c)
Energy
d)
Products
24.
H20 is the symbol for what?
a)
Sodium
b)
Potassium
c)
Hydrogen Peroxide
d)
Water
25.
A living thing, such as a plant, that can make its own food
a)
Producer
b)
Consumer
c)
Herbivore
d)
Carnivore
26.
A living thing, such as a plant, that can make its own food
a)
Producer
b)
Consumer
c)
Herbivore
d)
Carnivore
27.
A living thing that can't make its own food and must eat other living things
a)
Carnivore
b)
Consumer
c)
Herbivore
d)
Producer
28.
A living thing that can't make its own food and must eat other living things
a)
Carnivore
b)
Consumer
c)
Herbivore
d)
Producer
29.
An animal that eats only plants or producers
a)
Carnivore
b)
Omnivore
c)
Herbivore
d)
Consumer
30.
An animal that eats only plants or producers
a)
Carnivore
b)
Omnivore
c)
Herbivore
d)
Consumer
31.
An animal that eats only other animals
a)
Carnivore
b)
Omnivore
c)
Consumer
d)
Producer
32.
An animal that eats only other animals
a)
Carnivore
b)
Omnivore
c)
Consumer
d)
Producer
33.
A living thing that feeds on the wastes and remains of plants and animals
a)
Decomposers
b)
Fungus
c)
Scavenger
d)
Microorganism
34.
A living thing that feeds on the wastes and remains of plants and animals
a)
Decomposers
b)
Fungus
c)
Scavenger
d)
Microorganism
35.
A living thing that feeds on large pieces of dead organism
a)
Decomposers
b)
Fungus
c)
Scavenger
d)
Microorganism
36.
A living thing that feeds on large pieces of dead organism
a)
Decomposers
b)
Fungus
c)
Scavenger
d)
Microorganism
37.
An organism that can't make food and can't move around
a)
Fungus
b)
Scavenger
c)
Decomposers
d)
Microorganism
38.
An organism that can't make food and can't move around
a)
Fungus
b)
Scavenger
c)
Decomposers
d)
Microorganism
39.
An organism that is too small to be seen without a microscope
a)
Decomposers
b)
Scavenger
c)
Microorganism
d)
Fungus
40.
An organism that is too small to be seen without a microscope
a)
Decomposers
b)
Scavenger
c)
Microorganism
d)
Fungus
41.
What is a mushroom an example of?
a)
Fungus
b)
Microorganism
c)
Scavenger
d)
Producer
42.
What is a mushroom an example of?
a)
Fungus
b)
Microorganism
c)
Scavenger
d)
Producer
43.
Which is not a consumer?
a)
Producer
b)
Herbivore
c)
Carnivore
d)
Omnivore
44.
Which is not a consumer?
a)
Producer
b)
Herbivore
c)
Carnivore
d)
Omnivore
45.
what is a group on the periodic table?
a)
Broken Substance
b)
Rows
c)
columns
d)
The weeknd
46.
what is a period on the periodic table?
a)
group
b)
column
c)
Row
d)
the weeknd
47.
What does the Atomic number tell you about an element?
a)
Its favorite number
b)
Protons and Electrons
c)
Protons
d)
Neutrons
48.
The law of conservation of mass states...
a)
Mass can be created and destroyed
b)
Mass can not be created nor destroyed
c)
something contains mass
d)
Nothing can be desttroyed
49.
How many valence electrons does an atom need to have to be very reactive?
a)
1 & 7
b)
2 & 3
c)
6 & 8
d)
3 & 4
50.
What is a metal?
a)
Something that is solid and very conductive
b)
Weak and dull
c)
A gas
d)
A non-metal
51.
What does a metalloid consist of?
a)
Something with face ((:
b)
A non-metal
c)
a metal
d)
Characteristics of a metal and a non-metal
52.
What is a non-metal?
a)
dull
b)
Bad conductivity
c)
right side of the periodic table
d)
all of the above
53.
How do you find atomic mass?
a)
Add protons and electrons
b)
add protons and neutrons
c)
add the atomic mass and the electrons
d)
None of these
54.
Which indicates that it is a physical change?
a)
Odor change
b)
Color change
c)
Rearranged atoms
d)
Change in size
55.
Which is a chemical change?
a)
Paper torn in half.
b)
melting butter.
c)
Expired cheese.
d)
Hair cutting.
56.
How many valence electrons does Oxygen have?
a)
6
b)
8
c)
4+4
d)
4
57.
How do you count atoms in a chemical equation.
a)
Add the subscripts and multiply coefficients to the element.
b)
Add an element at a time and add the coefficients at the end.
c)
You just use your hand.
d)
Multiply with subscripts and add with the coefficients.
58.
How do you tell if a chemical equation is balanced?
a)
same amount of atoms on both sides of the equation.
b)
Same amount of atoms for all elements on both sides of the equation.
c)
After you add and subtract.
d)
Ask the teacher.
59.
Which of these is a chemical change?
a)
All of the above.
b)
Rotting bananas
c)
iron nail rusting.
d)
Baking a cake.
60.
What is the difference between a chemical and physical change?
a)
Physical changes are reversible, as chemical changes are not.
b)
Different names
61.
What group is Potassium located in?
a)
1
b)
2
c)
3
d)
16
62.
Which element contains more atoms Boron or Lithium?
a)
B
b)
Boron
c)
Lithium
d)
K
63.
Is odor ALWAYS a sign of a chemical change?
a)
No
b)
Maybe
c)
Yes
64.
What element causes combustion and what does it represent?
a)
Oxygen and Physical
b)
Fire
c)
Oxygen and Chemical
d)
Neon and Chemical.
65.
Main source energy
a)
Sun
b)
Plant
c)
Herbivore
d)
Decomposer
66.
Plant make their own food through________ process
a)
respiration
b)
photosynthesis
c)
decomposition
d)
cell division
67.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
68.
Who is this famous Scientist?
a)
Stephen Hawking
b)
Albert Einstein
c)
John Hawking
d)
Stephen Hawkins
69.
The diagram shows a cave. Which of the following objects can help us to see in the dark cave?
a)
Calculator
b)
Alarm clock
c)
Torch
d)
Telephone
70.
Which of the following habits helps us to stay healthy?
a)
Drink tap water that is not boiled
b)
Eat grapes that are not rinsed
c)
Sweep the floor around the house
d)
Eat food with washing our hand
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