Grade 7 Quiz Bee Questions

Which is the manipulated variable?

• Dependent Variables
• Constant Variable
• Control Variable
• Independent Variable

A student wanted to see which color board reflects more light.  They test this by taking the temperature of the board. The board that reflects the most light will have the lowest temperature.  They use 2 white boards, one with light and one without & 2 black boards, one with light and one without.
What is the control variable?

• The color of the board
• The amount of light reflected
• The boards with light
• The boards with no light

Which of the following is the correct laboratory rule?

• Eating in the laboratory while doing practical during lunch time

• Running in the laboratory when he is in a hurry

• Poking the electrical power points with sharp objects

• Using the apparatus in the laboratory only when told to do the science teacher

The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its

• concentration.

• density.

• dilution.

• solubility.

Which of the following is a way we can classify compounds?

• by their pH level

• as organic or inorganic

• by their role in the body

• all of these

If I add more water to this setup, what will happen to the pH?

• It will increase and get closer to 7

• It will decrease and get closert to 0

• It will stay the same and not change

Tags

NGSS.MS-PS1-2

What is the total magnification of a microscope with two lenses when one lens has a magnification of 10x, and the other lens has a magnification of 30x?

• 15x
• 30x
• 40x
• 300x

Which is larger?

• cell

• organ

• organ system

• tissue

Which of the following are NOT found in animal cells

• chloroplasts and cytoplasm
• chloroplasts and cell wall
• cell wall and cell membrane
• mitochondria and nucleus

Tags

NGSS.MS-LS1-6

In fission, how does the DNA of the daughter cells compare to the DNA of the parent cell?

• it is exactly the same

• it is different due to meiosis

• it is mostly the same with slight changes

• it is better than the parent DNA

Tags

NGSS.MS-LS3-2