Abeka Science Investigating God's World (Quarter Exam) Test 9 (grade 5, 2024 edition)

solid

Matter that can keep its shape is a ____________.

semimetals

The main groups of the periodic table are metals, nonmetals, and ___________________.

chemical

A process in which atoms are rearranged within molecules and new substances are formed is a ____________ reaction.

neutral

Substances that are neither acidic nor basic are ______________.

convection

The transfer of heat by moving liquid or gas is _______________.

generator

A machine that converts mechanical energy into electrical energy is a _____________.

vacuum

An empty space with no matter is a ______________.

unbalanced

Forces that result in work are _______________ forces.

tension

A pulling force created between a rope or cable and an object is ______________ force.

frictional

A resisting force between two objects rubbing against one another is _______________ force.

weight

The pull of gravitational force exerted on an object by another object is _________________.

slower

Negative acceleration is a change in motion to a ______________ rate.

reaction

Thrust is a ______________ force.

upward

Buoyancy is a ____________ force exerted by a fluid on a solid object in the fluid.

motion

A movement in matter or a change in the position of matter is ______________.

force

A push or pull on an object is _______________.

neutron

A neutral subatomic particle with no charge is a ________________.

colloid

A heterogeneous mixture with tiny, suspended clumps or particles is a ______________.

skimming

A method used to separate solid materials from one another is _____________.

polarity

Two opposite poles working differently to create a force field is called _________________.

acceleration

A change of speed, direction, or both is called ____________________.

drag

Streamlining is the science of shaping objects to reduce _________.

load

An object lifted or moved by a machine is the ________.

constraint

A limitation or boundary for the design process is a ______________.

prototype

A model of a design that is used for testing is a _______________.

energy

The ability to do work and change matter is ____________.

chemically

A mixture is two or more kinds of substances that have been combined physically but not have not bonded ________________.

solution

A homogeneous mixture in which one kind of substance is dissolved into another is a ___________.

conduction

The transfer of heat through direct contact is ______________.

time

Speed is a measure of distance traveled divided by a unit of _____________.

motion

A graph which represents the motion of an object over a period of time is a ________________ graph.

advantage

An increase of force made possible by a machine is mechanical ________________.

engineer

The person who uses science to develop technology is an _____________________.

law of conservation of mass

total mass of substances stays the same before and after an interaction

law of conservation of energy

energy can neither be created nor destroyed, only transferred

first law of motion

speed and direction of an object does not change unless acted upon by unbalanced forces

second law of motion

an object's acceleration is determined by the forces acting upon it as well as its mass

third law of motion

for every action there is an equal and opposite reaction

output arm

input arm

load

bar

fulcrum

Be able to label the parts of a lever (p. 473)

inclined plane

pulley

wheel and axle

Be able to label pictures of these machines (pp. 474-475)

force or energy?

kinetic

energy

force or energy?

mechanical

energy

force or energy?

balanced

force

force or energy?

contact

force

force or energy?

potential

energy

force or energy?

magnetic

force

force or energy?

drag

force