Science Review 1

What is Mrs. Ruiz testing when she places a rock and a plastic ball in a tank of water?

• testing if the objects sink or float

• testing if the objects are magnetic

• measuring the mass of the objects

• recording the temperature of the objects

What is the best way to make the wagon move if you are one of the students pulling?

• Pull harder than the other student

• Let go of the wagon

• Sit on the wagon

• Push the wagon from behind

If one student stops pulling, what will happen to the wagon?

• The wagon will move in the direction of the student still pulling

• The wagon will stay in place

• The wagon will move in the opposite direction

• The wagon will tip over

What is the main cause of a popsicle melting?

• Cold air

• Heat

• Wind

• Light

Students walk into their classroom and see various objects (like toys, books, and balls) on their desks along with a triple beam balance. Which physical property are the students testing?

• Measuring the mass of each object

• Testing the magnetism of each object

• Measuring temperature of each object

• Testing the ability to sink or float of each object

Nevaeh and Isaac are pulling on a teddy bear in opposite directions with equal force. What will happen to the teddy bear?

• The bear will move toward Nevaeh.

• The bear will stay in the same place.

• The bear will fly in the air.

• The bear will move toward Isaac.

What does it mean when two people pull with equal force in opposite directions?

• The object moves toward one person

• The object stays in the same place

• The object flies in the air

• The object disappears

If both Nevaeh and Isaac increase their force equally, what will happen to the teddy bear?

• The bear will move toward Nevaeh

• The bear will move toward Isaac

• The bear will stay in the same place

• The bear will fly in the air

Which statement explains why the trains traveled the same distance each time?

• They were pushed at different times.

• They were pushed by different people.

• They were pushed in the same direction.

• They were pushed with the same force.

What does buoyant mean?

• to float

• to push

• to fly

• to sink