fourth grade 1rst parcial topics reviewed

An object will move when _________

• is at rest

• when forces acting on it are unbalanced

• when forces acting on it are at rest

• when forces acting on it are balanced

Gravity pulls everything towards the...

• Moon

• Water

• Earth

Without gravity, air, water and animals would all...

• Fly off into space

• Fly into each other

Gravity is a force that...

• Pushes objects away from Earth

• Pulls objects towards Earth

What is matter?

• Anything that has weight and takes up space.

• Everything

• The whole universe

• You and me

Everything is made of...

• solid
• liquid
• gas
• matter

Which state of matter is represented by the particles in this image?

• Solid

• Liquid

• Gas

Which state of matter is represented by the particles in this image?

• Solid

• Liquid

• Gas

Which state of matter is represented by the particles in this image?

• Solid

• Liquid

• Gas

When water vapor gets cold, it turns to a...

• liquid
• solid
• raindrop
• ice