Which can we see only in the nighttime sky?
- most stars
- sun
- moon

Some things are too small to observe. What claim can you make about how a hand lens helps us observe them?
- they make things looks bigger
- they make things look smaller
- they make things look brighter

Which is a way that the sun is helpful?
- It heats the land.
-It fades clothes.
- It burns skin.

When you are holding a book. Why dont they fall to the ground?
- The books are too light.
- You hold them up.
- The stack of books is too big

What is the biggest star in the sky?
- sun
- moon
- clouds

How can we figure out what a hand lens does?
- draw a picture of the hand lens
- hold the hand lens over an object like a pencil
- weigh the hand lens

How would Earth be different without heat from the sun?
- It would be too hot for living things to survive.
- It would be too cold to live.
- It would be the same.

When a dog is jumping over a fence, what is gravity doing to the dog?
- It is lifting the dog over the fence.
- It is pulling the dog down to the ground.
- It is pushing the dog over the fence.

Which can we see in the daytime sky?


- the moon and the sun
- the sun and many stars
- many stars and the moon

How does the hand lens help us observe the leaf?
- It magnifies the leaf.

- It makes the leaf look brighter.

- It takes a picture of the leaf.

Ed claims that a hand lens helps observe details of salt. What evidence supports the claim?
- Ed can see edges on salt grains through a hand lens.
- It is easier to count salt grains with a hand lens.
- The salt grains looked brighter through the hand lens.

What keeps the chair on the floor when a girl is sitting on it?
- air

- gravity

- the girl

How many stars are in the sky?
- about 100
- fewer than 100
- more than we can count

How could you collect evidence with telescopes and hand lenses to support the claim that magnifiers help people observe things?
- You could compare what you see with and without them.

- You could predict how things will look with them.

- You could identify them both as tools.

Which is a way that the sun is harmful?

- It heats rocks.
- It fades clothes.
- It gives light

Which is true?
- An object must be on the ground for gravity to pull on it.
- Gravity must touch an object to pull down on it.
- Gravity pulls on an object even when nothing touches it.

What is something that makes an object move or change called?

What is one thing a telescope can magnify in the nightsky?

What is heat?
- a kind of energy that lets us hear
- a kind of energy that lets us see
- a kind of energy that makes things warmer

You let go of a box. What does gravity do to it?
- Gravity makes it fall apart.
- Gravity opens it.
- Gravity pulls it to the ground.