What is the next number in this sequence: -2, 1, 4, 7, __?
Next number: 10
True or False: Gases do not have mass.
False. Gases have mass
What type of angle measures exactly 180 degrees?
Straight Angle
What is the name of the temperature at which a solid becomes a liquid?
The melting point
What is the smallest common multiple of 6 and 8?
24
Is freezing water into ice a reversible or irreversible change?
Reversible
If the temperature drops from 3°C to -2°C, what is the total change in temperature?
Total Change: 5°C
Name one structure found in plant cells but not in animal cells.
The cell wall or chloroplasts.
What are the common factors of 18 and 24?
1, 2, 3, 6
Which part of the cell controls its activities and contains DNA?
The nucleus.