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Science Final Practice Exam  

2015-06-05 09:52:41|  分类: 三年级第二学期信 |  标签: |举报 |字号 订阅

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Science Final Practice Exam

 

 

Name_________________       Date_____________        Class_____________

 

 

 

  1. What causes day and night?

 

a)      the moon’s orbit b) Earth’s rotation c) space rocks d) shadows

 

  1. What is at the center of the solar system?

 

a)      Mr. Jeffrey b) Earth c) the moon d) the sun

 

  1. What season is the hottest?

 

a)      summer b) fall c) winter d) spring

 

  1. Heat makes water ___________ into gas?

 

a)      move b) drop c) evaporate d) disappear

 

  1. How long does it take the Earth to orbit the sun?

 

a)      1 day b) 1 week c) 1 month d) 1 year

 

  1. A ______________ is a huge ball of hot gases.

 

a)      planet b) star c) rock d) moon

 

  1. The ____________ is a ball of rock that moves around the Earth.

 

a)      moon b) planet c) sun d) star

 

  1. How is solid matter different from all other kinds of matter?

 

a)      It has mass b) It has its own shape c) It fills up its container d) it has taste

 

  1. Which can you usually not see?

 

a)      a gas b) a liquid c) a solid d) shapes

 

  1. What do all forms of matter have?

 

a)      mineral b) water c) fossil d) mass

 

  1. Which tool would you use to measure the length of a solid?

 

a)      balance b) measuring cup c) ruler d) liquid

 

  1. How is a liquid different then a solid?

 

a)      a liquid takes up space

b)      a liquid takes the shape of its container

c)      a liquid has no colour

d)     a liquid has fire

 

  1. How is a gas different then a solid?

 

a)      gas has no shape b) gas has a shape c) gas is cold d) gas is hot

 

  1. What form of matter is rock?

 

a)      solid b) liquid c) gas d) energy

 

  1. What form of matter is milk?

 

a)      solid b) liquid c) gas d) energy

 

  1. What happens to water when it boils?

 

a)      it condenses b) it evaporates c) it freezes d) it melts

  1. How can you change a liquid to a solid?

 

a)      burn it b) freeze it c) condense it d) mix it

 

  1. What happens when paper burns?

 

a)      its matter changes

b)      it size stays the same

c)      its shape stays the same

d)     its colour stays the same

 

  1. Jill cuts an apple into pieces. What happened to the mass of the apple?

 

a)      it stayed the same b) it got smaller c) it burned d) it disappeared

 

  1. Which form of water has its own shape?

 

a)      liquid b) ice c) water vapor d) gas

  1. Which word tells about water changing from a liquid to a solid?

 

a)      freezing b) mixing c) heating d) pouring

 

  1. You add sugar to water, and stir. Which words tell about the sugar?

 

a)      it melts b) it burns c) it cannot be seen d) it becomes a gas

 

 

Complete each sentence. Use the words from below.

 

milliliter     texture     water vapor     centimeter     property

 

 

  1. A unit to measure length is a ____________________.

 

  1. A unit used to measure the volume of a liquid is a ____________________.

 

  1. A ____________________ describes the matter that something is made of.

 

  1. What is one way people use heat?

 

a)      to make light b) to cool homes c) to boil water d) to turn windmills

 

  1. Where does most energy on Earth come from?

 

a)      batteries b) moving water c) the sun d) the wind

 

Complete each sentence. Use the words from below.

 

sound waves           loudness           pitch          sound

 

 

  1. The ________________ of a sound is how loud or soft it is.

 

  1. Vibrations that move through matter are _____________________.

 

 

Complete each sentence. Use the words from below.

 

vibrate           stop     high     low

 

  1. The guitar makes sounds when the strings __________________.

 

  1. If you ____________________ the strings from vibrating, the sound will go away.

 

  1. Ice + heat = _________________

 

  1. Water – heat = _______________

 

  1. Name the three forms of energy.

 

1)________________

 

2)________________

 

3)________________

 

  1. Name the three forms of matter.

 

1)________________

 

2)________________

 

3)________________

 

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