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SDQ Sets 7-9 Test

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Last updated over 7 years ago
17 questions
Note from the author:
Science Discussion questions sets 7-9
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2
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6
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4
Question 1
1.

If cool weather collides with low pressure and an inflow of Gulf moisture what do you think the meteorologist will predict the weather to be like in a day or so?

Question 2
2.

Five mL of salt is added to 250 mL of water. Predict what will occur to the crystals of salt when it is mixed in with water.

Question 3
3.

In the saltwater solution from question 2, if all the water evaporates how much salt is left behind?

Question 4
4.

Ann and Jane live the same distance from the park. Ann lives on a dirt and gravel street. Jane lives on a paved road. If they leave their homes at the same time riding bikes, which girl would most likely reach the park first?

Question 5
5.

Name two forces at work in question #4.
1.
2.

Question 6
6.

Marcus is helping his dad move a large rock in their backyard to make a new flower garden. What type of machine(s) would be useful to make the work easier?

Question 7
7.

What physical properties (characteristics) of soil would you observe when only using a hand lens or microscope and your hands?

Question 8
8.

What physical properties (characteristics) can you analyze to identify substances? List 3 examples.
1.
2.
3.

Question 9
9.

There are physical characteristics of the land that support the animals which live there. How would you describe the soil? The soil needs to include____________________

Question 10
10.

How can humans help protect environments? Write your answer with a complete sentence.

Question 11
11.

Which statement(s) below explains why the Earth experiences seasons?

Question 12
12.

***Bonus: What is located at 23.5 degrees north of the equator?

Question 13
13.

***Bonus: What is located at 23.5 degrees south of the equator?

Question 14
14.

Place the decription in the correct category of inherited traits or learned behaviors.

  • rollling in dirt to take dust baths
  • fur color
  • acute sense of smell
  • fighting with other males by crashing
    heads together
  • poor eyesight
  • eye color
  • inherited traits
  • learned behaviors
Question 15
15.

A student dropped a penny in water and it sank. Another student demonstrated how to make the penny float. What did the 2nd student do to make it float?

Question 16
16.

What physical property is demonstrated in question 15?

Question 17
17.

Match the forms of energy to how it is used in a home.

  • thermal energy
  • light energy
  • sound energy
  • mechanical energy
  • light fixtures
  • fans, garage door opener, air conditioning unit
  • t.v., radio, computer
  • heating the home, using the stove