A block of an unknown metal has a mass of 145 dg and a volume of 2.3 cm3. what is the density of the unknown in units of g/ml?

Use the absolute and relative uncertainty to determine which is more precise mass or volume g

Why do scientists believe that light is made of waves?

Two advantages of solar energy over energy from Fossil fuels

Scissors are considered a compound machine because they are made of two inclined planes they are made of a lever and a wedge they make work easier

When conducting an investigation outside, you can assume it is safe to touch any plant or animal you see.

Which method is used to calculate the slope on a distance time graph

Lexy throws a dart with an initial velocity of 25m/a at an angle of 60 degrees relative to the ground. What is the approximate vertical component of the i ritual velocity?

True or false electronic machines with no moving parts experience friction and get hot because electricity is moving through the wires

I'm having trouble figuring out how to study for my science test, it's based off of everything we've learned but I'm afraid there's some things I misunderstood during the year that will effect me on the test, and suggestions?!!

The air over Earth's surfaces absorbs heat from the materials of Earth. In Section 3 of the experiment, the air over the sand the air over the water because sand water.