Hypothesis: If a material undergoes a chemical change, then it will not retain its
original properties because a new substance
is formed.
To test the hypothesis above, you will observe
the changes during the experiment.

first part A ) second part A)
To do this, you will use these observations to
compare the
substances
v of the
to the
substances.
of the

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

How do scientists think that gravity affected the formation of our solar system?