Grade 7 Science Quiz Bee

Which of these definitions best describes observing skill?

• Using the senses

• Providing a logical interpretation

• Grouping objects or events

• Applying mathematical operations

The candle flame is yellow. Which of these skills is appropriate to use?

• inferring

• interpreting data

• measuring

• observing

Which of the following statements best describes a homogeneous solution?

• It is usually liquid.

• It can be dilute or concentrated.

• It contains a solute and solvent.

• Its components are distributed evenly in the solution.

Which of the following is an organ of the circulatory system?

• heart

• kidney

• stomach

• lung

Which of the following is NOT capable of transmitting sound?

• air

• ice

• seawater

• vacuum

Tags

NGSS.MS-PS4-2

What happens when air is heated?

• it expands, then rises

• it moves toward a lower elevation

• it spreads in all directions

• it stays in place

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4

Which of these statements distinguishes pure substance from mixture?

• It can be separated by physical means.

• It consists of two or more kinds of matter.

• It has a constant boiling and melting temperatures.

• It has no specific solubility and density.

Why it is necessary for the specimen to be observed under the microscope must be thin?

• so that the image will be clearer

• so that light could pass through the specimen

• so that the image would be bigger

• so that a high magnification objective can be used

Molecules of solids are closest to one another compared to liquids and gases. How does sound travels in solids?

• the slowest

• with undetermined speed

• the fastest

• with varying speed

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Why are coal, petroleum, and natural gas included as non – renewable resources considering the fact that they are produced from plant and animal remains?

• It takes a very long time to produce them.

• The Philippines is dependent on supply from other countries.

• They are difficult to locate and explore from Earth.

• Using those will results in environmental problems.