Basics of Science
What are the basic building blocks of matter?
A) Cells
B) Molecules
C) Atoms
D) Elements
C) Atoms
What are the two types of pure substances?
A) heterogeneous and homogeneous
B) element and compound
C) solution and suspension
D) atoms and mixtures
B) element and compound
Which particle(s) are in the center of the atom and equal the mass number for the element?
A) Protons
B) Electrons
C) Neutrons
A) Protons AND C) Neutrons
What units do we use to measure forces?
A) Joules
B) Kilograms
C) Newtons
D) Pounds
C) Newtons
What region of the world do most of the world's oil supplies come from?
A) asia
B) North America
C) middle east
D) Africa
C) Middle East
Which of the following is NOT a branch of Natural Science?
A) Social Science
B) Earth and Space Science
C) Life Science
D) Physical Science
A) Social Science
Which has the highest viscosity?
A) honey
B) oil
C) water
D) rubbing alcohol
A) honey
Which subatomic particle is the smallest?
A)Protons
B) Electrons
C) Neutrons
B) Electrons
What does the gravity on earth equal?
A) 1.62 m/s2
B) 8.9 m/s2
C) 10.8 m/s2
D) 9.8 m/s2
D) 9.8 m/s2
When an object falls, at what point will kinetic energy and potential energy be equal
A) At the top
B) half way down
C) at the bottom
B) at the midway point of the fall
What is the long term goal of the scientific method?
A) Do an experiment
B) Solve a problem
C) Form a hypothesis
D) Develop a theory
B) Solve a problem
Which is an example of a homogenous mixture?
A) soil
B) muddy water
C) air
D) sand
C) air
How many neutrons are in the isotope Oxygen-18.
(Hint: Oxygen is element 8 on the periodic table)
A) 8
B) 18
C) 10
D) 26
C) 10
Adam pushes on a box to the right with 80 N of force while John pushed to the left with 60 N of force. What will be the net force of the box?
A) 140 N Right
B) 20 N Right
C) 140 N Left
D) 20 N Left
B) 20 N Right
Which of the following is a renewable resource?
A) oil
B) natural gas
C) coal
D) geothermal
D) geothermal
A well-tested explanation to an observed event
A) observation
B) scientific law
C) scientific theory
D) hypothesis
Which state of matter do the particles in a substance vibrate in place?
A) Liquid
B) Gas
C) Plasma
D) Solid
D) Solid
Which category of elements are good conductors of heat/electricity, malleable, and solids at room temp?
A) Metals
B) Nonmetals
C) Metalloids
A) Metals
Which law says for every action there in equal and opposite reaction?
A) 1st law of motion
B) 2nd law of motion
C) 3rd law of motion
Which form of energy comes from the flow of electrons?
A) electrical
B) electromagnetic
C) thermal
D) nuclear
A) electrical
Adam wants to test the effects of sunlight on plant growth height. He sets up two of the same plant, plant A and Plant B. Plant A is left outside to receive sunlight while Plant B is left in a closet. After a month he measures their heights.
What is the manipulated variable in the experiment?
A) amount of light
B) height of plant
C) Plant A
D) Plant B
A) amount of light
Water freezes at 0° C and boils at 100°C. If a sample of water is -10° C it would be in which state of matter?
A) Solid
B) Liquid
C) Gas
D) Plasma
A) Solid
Elements in the same group on the periodic table share the same number of ___________.
A) protons
B) neutrons
C) electrons
D) valence electrons
D) valence electrons
What do we call it when the force of gravity = air resistance, and the object falls at a constant speed?
A) free fall
B) projectile motion
C) terminal velocity
C) terminal velocity
What energy transformations takes place when using a microwave?
A) electromagnetic --> nuclear --> thermal
B) electrical --> electromagnetic --> thermal
C) electrical --> thermal --> chemical
electrical --> electromagnetic --> thermal