The diagram below shows what happens when light energy strikes the surface of a colored glass plate.  Which light ray is absorbed and reflected

The diagram below shows what happens when light energy strikes the surface of a colored glass plate. Which light ray is reflected?

Which of the following waves require a medium?

The ____ of waves can change when the waves move from one medium to another.

Waves can ____ when they move from one medium to another.

In a mechanical wave, like those in an earthquake, amplitude is related to the amount of energy the wave carries.  Waves with high amplitude carry a lot of energy.  The diagram below shows a series of waves.  Which wave would cause the biggest earthquake?

Ryan put a straw into a glass of water.  He notices that the straw appears to be broken when he looks through the glass and the water from the side.  Which term BEST explains why the straw looks like it is broken?

In which of these situations would light slow down?

In the diagram below, what wave property is being identified by the letter A

Doug counts the number of waves that pass a given point in certain amount of time on the beach.  Which property of waves does Doug measure?

Which statement is true regarding mechanical and electromagnetic waves?

The diagram below represents the electromagnetic spectrum.  What is the relationship between frequency and wavelength for electromagnetic waves?

The bending of light rays as they enter a new medium is called _____

How does the Sun transfer energy to Earth?

In which medium does sound travel the fastest?

All of the following affect the speed of sound through different substances EXCEPT

Energy flows as heat when there is a difference in temperature between two objects or mediums.  The greater the difference, the faster the energy will flow.  Energy will flow from an area of higher temperature to an area of lower temperature. Wolverine is swimming in the cool water of his swimming pool on a hot summer day. Read the following examples and choose the statement with the correct direction of energy flow.

Energy flows as heat when there is a difference in temperature between two objects or mediums.  The greater the difference, the faster the energy will flow.  Energy will flow from an area of higher temperature to an area of lower temperature. Which of the following describes the flow of thermal energy that occurs as a Thor holds a piece of ice in his hand.

Which direction would the heat flow between these two objects? Ice cube and water

What can cause a change of state in matter?

Whenever energy is transferred _____

In the diagram below, energy is being converted from one form to another and some energy is being transformed into unusable heat energy. What energy conversions are taking place?

Heat is the transfer of _____

Loki ate a cheeseburger at lunch. What kind of energy was in his cheeseburger?

Which is an example of evidence that energy is neither created nor lost during a transformation?

What happens when heat is added to gas in a sealed container?

In a hydroelectric plant the mechanical energy is moving water is transformed into ________

Which statement describes the direction of heat flow?

The measure of the average kinetic energy of the individual particles in an object is called?

The total energy of all the particles in a substance is called _________

On a sunny day, you return to your car after a ball game and the inside of the car is very hot.  How did the car get so warm?

As a car skids to a stop, friction transforms energy to _____.

Water bubbles through a hot spring at Yellowstone National Park.  What method of heat transfer is this?

Heat is transferred from one particle of matter to another within an object or between two objects in a process called _____

A solid, such as a popsicle, has a definite shape and definite volume. If you add heat to the Popsicle by leaving it in the sun, what happens to it?

Heated air moves from a space heater to the rest of a room in a process called _________

Observations that deal with descriptions that cannot be expressed in numbers is called _________

Scientist conduct multiple trials on their experiments because ______

Botanists study plants. Chemists study matter and its interactions. Volcanologists study volcanoes. What similarity exists among scientists working in these fields?

A factor in an experiment that stays the same to make the experiment reliable is ______________

Scientists should _____ new ideas that they may not agree with.

When scientists create a representation of a complex process, they are ___________

_______can save time and money by testing ideas that would otherwise be difficult to test quickly or easily.

The metric basic unit of measure for the volume of liquid is ________

The metric basic unit of measurement for mass is _____

The metric basic unit of measurement for length is ______

Leonardo wanted to determine how much volume of water was in the bowl. In order to determine the volume, what tool did he need to use?

Before starting a science activity, you should always ________

Why is it important to obey safety rules?

Which of the following is a good way to analyze data?

Scientific knowledge changes with ___________

A well tested explanation for a wide range of observations or experimental results is called a scientific ________

A statement that describes what scientists expect to happen every time under a particular set of conditions is a __________

Why is it useful for scientists to develop models for the structure of atoms?

Which of the following is an example of empirical evidence?

Asking the question, "Why does bread left on the kitchen counter eventually mold?" is an example of __________.

Which of the following is NOT a way to gain scientific knowledge?

When trying to determine the odor of a substance in a container you should 

When moving around the classroom during a laboratory exercise, you should

Nearly 2,000 years ago the astronomer, Ptolemy, believed that all objects in space, including the sun, revolved around Earth. 500 years ago, Nicolaus Copernicus made observations showing that Earth and other planets revolved around the sun, which refuted Ptolemy’s argument. This is an example of how scientific knowledge

Dylan is designing an experiment to investigate how sound waves are affected by the type of medium through which they travel. Which would be the independent variable

Maria is doing an experiment to see if peaches rot more quickly than oranges. What would be the dependent variable?

Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the field for their investigation. Which should they keep constant?

A group of students plan to use several rain gauges to compare average monthly rainfall in different areas of their state. Which of the following would be the independent variable?

A scientific experiment must have a control as part of the design so that you have

A student hypothesizes that green algae will grow fastest when exposed to blue light. To test this hypothesis the student should design an experiment  with which dependent variable?

A student wanted to measure the average length of oak trees every year for five years to see if the average length of the leaves changes. Which method would be best for the student to follow?

Thomas Edison went through about 600 different filaments until he found a filament tht would burn at 16 watts for 1500 hours. Why was it critical that Edison take careful notes during his experiments?

Mr. Reynold's students planted lima beans during a four-day span. Each plant was given the same amount of water and sunlight. The students measured the growth of the plants each day and collected the data for 10 days. Which plant demonstrated the highest daily growth, given the plant’s age during the observation period?

A student wants to find out if Bleach X or Bleach Y is better at removing stains. He plans to use two white shirts, stain each of them with mustard, and then wash each of them using bleach. He can change the size of the stain on the shirt and the amount of bleach he adds to the water. 

Which two tests should the student set up?

On his voyage on the HMS Beagle, Darwin saw fossils of giant sloths whose bones resembled bones of living sloths, but were much larger in size. Darwin hypothesized that the fossil sloths were related to sloths alive today. This hypothesis was based on…

What type of scientific investigation involves identifying and controlling variables?