atoms
The three smaller components that make up atoms are -
what is neutrons, electrons and protons.
A book is sitting on a table. Which of the following actions would add to its potential energy?
A. Sliding it across the table
B. Opening it to the middle
C. Lifting it to a high shelf
What is lifting it to a high shelf
An object that is at rest will begin to move if which of the following is true?
A. The surface on which it rests is frictionless.
B. The mass of the object is sufficient.
C. Unbalanced forces act on the object
what is Unbalanced forces act on the object
Which motion does Earth make once every 24 hours?
A. Rotates once on its axis
B. Makes one orbit of the Sun
C. Passes by Mars in its path
what is rotates on its axis
Who invented the light bulb
list the two particles found together inside the nucleus of an atom?
what is protons and neutrons
Which of the following examples best demonstrates kinetic energy?
A. A brick lying on the ground.
B. A kite flying across the sky.
C. A television sitting on a table.
what is a kite flying across the sky
Which two measurements are needed in order to calculate the speed of an object in motion?
A. Distance and time
B. Time and mass
C. Force and distance
what is distance and time
. A moon orbits which celestial object?
A. planet
B. sun
C Asteroid
What is planet
In science what is another word for an educated guess. It starts with an H
What is Hypothesis
If a neutral fluorine atom has 9 protons and 10 neutrons, how many electrons will it have?
what is 9
An airplane is demonstrating a conversion of kinetic to potential energy when –
A. it ascends to a higher altitude.
B. more passengers board the plane.
C. it moves downward to make a landing.
what is it ascends to a higher altitude
if two balanced forces act on an object, what will happen to the object
what is it will stay in place
Millions of pieces of rocky material of various sizes orbit the Sun between the orbits of Mars and Jupiter. These objects are known as–
A. asteroids
B. meteors.
C comets
What is asteroids
Organisms that are members of the family Coccinellidae are heterotrophic, reproduce sexually, and are multicellular. Knowing this, we can be certain they belong to which kingdom?
A. Animalia
B. Plantae
C. Eubacteria
What is Animalia
If an atom has six positively charged subatomic particles, which of the following must it also have in order to become a neutral atom?
what is 6 electrons
A snowball sits at the top of the hill. Which of the following changes will increase the kinetic energy of the snowball?
A. Additional snow falls on the snowball, increasing its mass
B. The snowball is pushed and rolls down the hill, gaining speed.
C. The weather warms and the snowball melts, decreasing its mass
what is the snowball is pushed and rolls down the hill, gaining speed
It takes five hours to drive from Fort Worth to Midland, which is a distance of 300 miles. What would be the average speed for this trip?
what is 60 mph
The four planets that orbit closest to the Sun are best described as–
A. mostly made up of gases.
B. having rings similar to Saturn’s.
C. having a rocky and terrestrial surface.
what is having a rocky and terrestrial surface.
What physical properties are used to classify elements as metals, nonmetals, or metalloids?
A. Color, smell, physical state
B. Reactivity, streak, hardness
C. Luster, conductivity, malleability
what is Luster, conductivity, malleability
If you change the number of neutrons in an atom, you will also change its –
what is isotope
As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
A. Potential and kinetic energy both increase.
B. Potential increases and kinetic decreases.
C. Potential decreases and kinetic increases.
what is Potential decreases and kinetic increases.
What is the difference in average speed between two cars, one that traveled 160 kilometers in 5 hours, and the other that traveled 140 kilometers in the same time?
What is 4 KPH
Most of the asteroids in our solar system are located between the orbits of what two objects?
A. The Sun and Earth
B. Venus and Earth
C. Mars and Jupiter
what is Mars and Jupiter
What is one thing Isaac Newton Discovered?
A. development of the theory of quantum mechanics.
B. formulation of the three laws of motion
C. he is credited with patenting the first practical telephone.
What is Formulation of the three laws of motion