Physics

What range of light wavelength is visible to humans?

• 0-400 nanometers

• 400-700 nanometers

• 700-1,000,000 nanometers

Tags

NGSS.HS-PS4-3

Why would we feel warmer when wearing a black shirt on a sunny day instead of a white shirt?

• The black shirt absorbs more light, the white shirt reflects more light.

• That's wrong, we'd feel warmer wearing the white shirt.

• A white shirt is like a prism, scattering sunlight.

Tags

NGSS.MS-PS3-3

Which box has a higher density?

• A

• B

• They are the same

In the picture, the mass of the block is 200 g, the dimensions of the block are 6 cm by 4 cm by 5 cm.  What is its density?

• 67g/cm³

• 13.33 g/cm³

• 0.60 g/cm³

•  24000 g/cm³

I have two objects with the same volume but different masses.  Which object will be more dense?

• The object with less weight.

• The object with more weight.

• The object with more mass.

• The object with less mass.

Tags

NGSS.MS-PS1-2

What is this tool to get mass?

• triple beam balance

• ruler

• thermometer

• graduate cylinder

Which object has the highest density in this picture?

• A

• B

• C

Which object has the lowest density in this picture?

• A

• B

• C

Frank has a paper clip. It has a mass of 9g and a volume of 3cm³. What is its density?

• 3 g/cm³

• 1/3 g/cm³

• 27 g/cm³

• 39 g/cm³

An object is is placed into 45 mL of water. The water rises to 48 mL. What is the volume of the object?

• 3 mL

• 93mL

• 8 mL

• 83 mL