What kind of information can you gather from a stars spectrum

One situation indicates a physical change rather than a chemical change. Which situation indicates a physical change? A) Solid copper melts to form liquid copper. B) A firecracker explodes on the fourth of July.

3 examples of an eukaryotic organism

9. A statue is to be scaled down isomorphically (It will have its size changed without changing its shape). It starts with an initial height of 6.75 [m] and ends up with a final height of 2.15 [m].

Density (ii) Volume (b) The length of one side of metal cube is 5.22 cm and its mass is 65.8g. What is the density of the Cube?

Do you think you could identify a mystery substance using only its mass or weight? Explain your answer.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity

What are starburst galaxies and what do they have to do with galaxy evolution?

Six light bulbs are connected in series with a 9.0 volt battery. What is the voltage across each bulb?

Can an object travel at the speed of light? Why or why not?