Earth revolves around the sun once every _______ days.
Question 4
4.
Question 5
5.
Question 6
6.
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?
Earth rotates on its axis once approximately every –
24 hours
12 hours
month
year
Which of the following nonliving components do all living organisms depend on for survival?
Water, grass, air
Sun, air, water
Soil, sun, rocks
Water, rocks, air
Which of the following is a nonliving component of an ecosystem?
Soil
Moss
Snail
Worm
Students are working to find the mass of a hand lens. Which of the the following tools should be used to measure mass?