Quiz about Ssa Physical Sciencesa

Question 1

If a spring is attached to two boards with one board at each end of the spring, and the two boards   are pulled far apart to stretch the spring, what force will the spring exert in response?

Accepted Answer

It will pull the boards toward each other

Answer

It will sag between the two boards

Answer

It will hold the boards steady in one place

Answer

It will spin the boards in opposite directions

Question 2

A ball rolls down from the top of a grassy hill, reaches the bottom of the hill, continues to roll, and then starts to slow down and comes to a stop. What forces caused this ball's motion?

Accepted Answer

Gravity caused the ball to roll down the hill, but frictional force caused the ball to slow down and stop.

Answer

Frictional force caused the ball to roll down the hill, but air resistance caused the ball to slow  down and stop.

Answer

Magnetic force caused the ball to roll down the hill, but gravity caused the ball to slow down and stop.

Answer

The force of the hill caused the ball to roll down it, but gravity caused the ball to slow down and stop

Question 3

The diagram below shows forces acting on a model airplane. Both its speed and height above the ground are constant.

Accepted Answer

The thrust is equal to the weight.

Answer

The lift is equal to the drag.

Answer

The lift is less than the weight.

Answer

The thrust is greater than the drag

Question 4

The displacement-time graph below represents the motion of a cart initially moving forward along a straight line. During which interval is the cart moving forward at constant speed?

Accepted Answer

BC

Answer

AB

Answer

DE

Answer

CD

Question 5

A scientist created the graph below of the motion of three objects. Which of the following is correct about the motion of the objects?

Accepted Answer

Object Q is not moving at all

Answer

Object S is traveling at a faster speed than Object R

Answer

Object R is increasing in speed by 2 m/s

Answer

Object R is traveling at a slower speed than Object S

Question 6

Electromagnetic radiation is energy that travels in waves. Some examples of electromagnetic radiation are visible light, radio waves, and x-rays. Which statement is true for all forms of electromagnetic radiation?

Accepted Answer

All forms of electromagnetic radiation travel at the same speed in a vacuum.

Answer

All forms of electromagnetic radiation have the same frequency

Answer

All forms of electromagnetic radiation have the same wavelength

Answer

All forms of electromagnetic radiation have the same amount of energy in a vacuum

Question 7

Which of the following colors of the Visible Light Spectrum has the lowest amount of energy?

Accepted Answer

Orange

Answer

Yellow

Answer

Green

Answer

Blue

Question 8

A light wave from the sun shines through the atmosphere, into the window of a house, and through a plastic fish tank. In which of the following mediums would the light waves travel the fastest?

Accepted Answer

The air in the atmosphere

Answer

The glass in the window

Answer

The water in the fish tank

Answer

The plastic fish tank

Question 9

While watching a popular space-based science fiction movie, space vehicles loudly shoot each other with lasers and explode with a booming sound. Students of science know that sound does not travel through space and these movie scenes showing space sounds are factually incorrect. Why are there no sounds in space?

Accepted Answer

Sound waves require a medium

Answer

Sound waves travel as transverse waves

Answer

Sound waves can only travel through air particles

Answer

Sound waves have high frequencies

Question 10

Emma constructed a simple motor. When connected correctly, the coil of copper wire spins. Which of the following best describes the energy transformation that takes place between the paper clips and the spinning coil?

Accepted Answer

Electrical energy transforms into mechanical energy

Answer

Chemical energy transforms into electrical energy

Answer

Mechanical energy transforms into electrical energy

Answer

Mechanical energy transforms into chemical energy

Question 11

A television is a device that converts electrical energy into light and sound energy. Not all the energy that enters a television is converted into light and sound, however. What happens to the energy that enters a television but is not converted into light or sound?

Accepted Answer

The energy is converted to heat

Answer

The energy returns to the electrical socket.

Answer

The energy is stored in the wires in the television

Answer

The energy is destroyed in the conversion process

Question 12

Ms. Simpson's science students were observing a demonstration with Newton's cradle, as shown in the diagram below. They noticed that when the ball was raised and released on the left side, it hit the stationary balls, and its kinetic energy was transferred all the way to the last ball on the right, causing it to be propelled up. This action continued for a while, but as time went on, the balls did not go as high and eventually stopped. Why did the balls stop moving?

Accepted Answer

Due to air resistance and friction between the string and the frame, some of the energy was transferred to the surroundings as heat.

Answer

The combined mass of the balls could not be overcome by the force of one moving ball.

Answer

Due to the force of gravity pulling the balls down, energy was continually lost to the surrounding environment

Answer

The three middle balls blocked the energy from getting to the outside balls, so they could not rise as much

Question 13

A group of students are eating in the cafeteria. As they eat, the students break down the molecules in the food, which releases energy. Which form of energy is stored in the food?

Accepted Answer

Chemical energy

Answer

Elastic energy

Answer

Nuclear energy

Answer

Thermal energy

Question 14

Mary throws a tennis ball into the air. It rises, stops momentarily when it reaches its greatest height, and then falls back to the ground. At what point does kinetic energy converted to potential energy?

Accepted Answer

When the tennis ball is rising

Answer

When the tennis ball is falling

Answer

Just after the tennis ball hits the ground

Answer

While the tennis ball is at the highest point

Question 15

What happens when a solid melts?

Accepted Answer

Its molecules move farther apart

Answer

Its molecules move closer together

Answer

The speed of its molecules decreases

Answer

The temperature decreases although heat is added

Question 16

Some ice cubes are added to a pot of boiling water. After a few moments, the water stops boiling. Which of the following explains why the water stopped boiling?

Accepted Answer

Heat energy from the water melted the ice

Answer

Particles from the boiling water moved into the ice and melted the ice

Answer

Cold energy from the ice transferred into the water, lowering the temperature of the water

Answer

Cold energy from the ice transferred into the water, lowering the temperature of the water

Question 17

Roberto is a musician playing in a band. At the end of a song, he plucks a single guitar string. The string moves rapidly back and forth. Which of these statements explains what happens to the kinetic energy of the moving string?

Accepted Answer

The kinetic energy is converted to sound energy and thermal energy

Answer

The kinetic energy is changed into potential energy and stored.

Answer

The kinetic energy is slowly destroyed until no energy remains

Answer

Some of the energy is converted to sound energy, but the rest is destroyed

Question 18

In a lab, a scientist has a beaker of pure water and a battery at the bottom. When he places a lightbulb in the water, the light bulb does nothing. He then adds salt to the water, and places the lightbulb in the water with salt in it, and the lightbulb lights up. What physical property was produced in the water when salt was added to the water?

Accepted Answer

Conductivity

Answer

Solubility

Answer

Flammability

Answer

Malleability

Question 19

The table shows the properties of four unknown liquids. Each sample is in its own beaker. A student adds equal amounts of substance K to each beaker. If substance K has a known density of 6.4 g/mL, in which liquids would K sink?

Accepted Answer

W and X

Answer

X and Z

Answer

W and Y

Answer

Y and Z

Question 20

A student determines the volume, density, and boiling point of three colorless liquids and lists them in the table below. Could any of the liquids be made of the same substance? Why?

Accepted Answer

None of the liquids could be the same substance because they have different combinations of density, and boiling points

Answer

.  Liquids 1 and 2 could be the same substance because they have the same density

Answer

Liquids 1 and 3 could be the same substance because they have the same volume

Answer

Liquids 1, 2, and 3 could be the same substance because they are all clear liquids

Question 21

Matthew has six cubes of different materials. Each cube has a mass of 10 grams (g). Matthew
sorts the cubes into two groups using one physical property. Which physical property did Matthew most likely use to sort the cubes into two groups?

Accepted Answer

electrical conductivity

Answer

density

Answer

magnetism

Answer

melting point

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