A mixture of oil and water is placed in a glass beaker and stirred. Which picture depicts what is most likely to happen after the beaker sits for three minutes?
Question 2
2.
Earth rotates on its axis once approximately every –
Question 3
3.
The Earth rotates once every _______ hours.
Earth revolves around the sun once every _______ days.
Question 4
4.
Which of the following nonliving components do all living organisms depend on for survival?
Question 5
5.
Which of the following is a nonliving component of an ecosystem?
Question 6
6.
Students are working to find the mass of a hand lens. Which of the the following tools should be used to measure mass?