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- 1. Multiple Choice
Is boiling an egg a chemical or physical change and why?
it is a physical change because you are only changing the size of the egg
it is a chemical change because the properties of the egg change
it is a physical change because the state of matter is changing
it is chemical change because only the shape of the egg changed
- 2. Multiple Choice
Which are chemical changes? Select all that apply.
mixing baking soda & vinegar, creating CO2 gas
coloring on the sidewalk with chalk
making a boat out of clay
water evaporating after a rain
burning leaves
- 3. Multiple Choice
Which are true statements about photosynthesis? Select all that apply.
the products are carbon dioxide and glucose
the reactants are carbon dioxide and water
the products are oxygen and glucose
plants use oxygen to make sugar
the roots bring in carbon dioxide
- 4. Multiple Choice
Choose the true statements. Select all that apply.
the volume of a liquid cannot be measured
mass is measured in grams
mass is the force of gravity on an object
a beaker can be used to measure volume
mass can be measured with a graduated cylinder
- 5. Multiple Choice
If you went to the moon where there is less gravity, which property about you would change?
weight
mass
volume
size
- 6. Multiple Choice
Which two measurements are needed to find density? Select two answers.
mass
volume
weight
size
- 7. Multiple Choice
An object has a mass of 15 grams and a volume of 3 milliliters. What is the object's density?
45 g/mL
5 g/mL
3 g/mL
12 g/mL
- 8. Multiple Choice
An object has a volume of 20 milliliters and a mass of 5 grams. What is the object's density?
4 g/mL
0.2 g/mL
25 g/mL
15 g/mL
- 9. Multiple Choice
Water has a density of 1.0. Which of the following would increase the density of water?
add more water
dissolve salt in the water
pour some of the water out
pour the water into a larger container
- 10. Multiple Choice
Which would cause sugar to dissolve in water the fastest?
use cubes of sugar in hot water and let it sit
use small grains of sugar in hot water and let it sit
use cubes of sugar in hot water and stir it
use small grains of sugar in hot water and stir it
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