What happens to matter when we add or take away heat energy?

The most serious effect of radiation on humans is A. it causes us to melt B. the damage it can cause to our DNA C. there are no serious effects of radiation on humans D. the damage it can cause to our ski

Distinguish between rotational speed (or angular speed) and linear speed. Provide examples of each.

A car is driven for 1.00 h with a velocity of 100 km/h towards the south, then for 0.50 h with a velocity of 50 km/h towards the north, and finally for 0.75 h with a velocity of 80 km/h towards the south. Find the car's average velocity.

The color produced by fireworks is all due to the chemicals inside of the firework itself. Which of these would describe a firework that looked violet?

A flat, raised area of land caused by uplift is also known as a (n) : a. upwarped mountain c. interior plain b. coastal plain d. plateau

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?