SCIENCE KNOWLEDGE TEST

The first planet from the sun is 

• Jupiter.
• Venus.
• Mercury.
• Earth.

The farthest planet from the sun is

• Mars
• Mercury
• Neptune
• Jupiter

The sun is in the ________________________ of our solar system.

• outside

• circle

• center

• moon

What planet has thousands of beautiful, tiny rings made of chunks of ice and rock?

• Jupiter

• Saturn

• Uranus

• Neptune

Which particle has a positive electrical charge?

• proton

• neutron

• electron

Which of the three particles has the smallest mass?

• proton

• neutron

• electron

What is a pure substance made of 2 or more elements chemically combined in a specific ratio (Ex. Water)?

• Element

• Compound

• Mixture

• Solution

What is a type of mixture in which different parts can easily be seen (Ex. Vegetable soup)?

• Heterogeneous mixture

• Homogeneous mixture

• Solution

• Colloid

What is a type of mixture that is evenly mixed so you cannot see the parts and it looks all the same (Ex. Paint)

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

Which state of matter has a definite shape?

• solid
• liquid
• gas