physical
what is an example of a physical change?
sugar becoming caramel
The caramel covering the apple
The caramel covering the apple
when you make a caramel apple you melt sugar to make caramel and stick the apple in the caramel what is the chemical reaction?
sugar turning to caramel
daniel is testing how to keep something cold, what is the best way for him to test materials scientifically?
touching a cup every 10 minutes
measuring the temperature every 10 minutes
measuring the temp
what type of reaction is bending?
physical
what is a chemical change for a piece of wood?
burning
sara is studying minerals, which will not help her with her data?
predicting the rocks age
test the effect of dropping a chemical on the rock
predicting the age
which is a physical change, rusting or glass breaking?
glass breaking
what is an example of chemical changes?
burning
what is the first thing you do for a science experiment?
ask a question
which is an example of a physical change?
planting a tree
cooking an egg
cooking an egg
name another example of a chemical change?
rusting
what is a hypothesis?
a statement that can be tested
which is not a physical change?
a change in size or shape
a change that gives off heat
a change that gives off heat
which job is an example of a chemical change?
Sewing a shirt
baking bread
baking bread
what is the last step to the scientific method?
conclusion